Table of references

Description

Reference tables

Slots

item

identifier of the item

dist

named list which contains the distribution which was used in fitting the references. One entry for male and one for female

Class of references

Description

Container for reference tables

Slots

name

name of the reference group

refs

List of references, each reference refers to one item and contains independent variable age, and the parameter values for both genders

citations

information about the sources of the references

info

additional infos regarding the references

Author(s)

Mandy Vogel

Examples

data(kiggs.ref)
print(kiggs.ref)
data(ukwho.ref)
print(ukwho.ref)
data(who.ref)
print(who.ref)

change saturation and brightness of given colors

Description

change saturation and brightness of given colors

Usage

adjust_colors(colors, saturation_factor = 1, brightness_factor = 1)

Arguments

Value

vector of adjusted colors

Author(s)

Mandy Vogel

Parameters from recommendations of the German Adiposity Association (2015, AGA)

Description

Parameters from recommendations of the German Adiposity Association (2015, AGA)

Usage

aga_15.ref

Source

"Kromeyer-Hauschild K, Moss A, Wabitsch M. Referenzwerte fuer den Body-Mass-Index fuer Kinder, Jugendliche und Erwachsene in Deutschland. Adipositas - Ursachen, Folgeerkrankungen, Therapie. 2015;09(3):123-7."

aggregate lms parameters

Description

aggregate lms parameters

Usage

aggregate_lms(lms.list)

Arguments

Details

function takes the lms part of the result from the do_iterations() function and returns the mean parameters

Value

list of dataframes containing the aggregated parameters, each for every level of sex

Author(s)

Mandy Vogel

Parameters derived from Flandern population

Description

Parameters derived from Flandern population

Usage

belgium.ref

Source

Roelants M, Hauspie R, Hoppenbrouwers K. References for growth and pubertal development from birth to 21 years in Flanders, Belgium. Annals of Human Biology. 2009 Dezember;36(6):680-94.

Parameters for different bone parameters

Description

Parameters for different bone parameters

Usage

bone.ref

Source

Geserick M, Vogel M, Eckelt F, et al. Children and adolescents with obesity have reduced serum bone turnover markers and 25-hydroxyvitamin D but increased parathyroid hormone concentrations – Results derived from new pediatric reference ranges. Bone 2020;132:115124 and Eberle et al. unpublishedfor VitD binding protein

Parameters from Wuehl et al. blood pressure reference values Germany according to age, from version 0.7.3 unplausible values are replaced by interpolated ones. For the original values check out earlier versions

Description

Parameters from Wuehl et al. blood pressure reference values Germany according to age, from version 0.7.3 unplausible values are replaced by interpolated ones. For the original values check out earlier versions

Usage

bp_wuehl_age.ref

Source

"Wuehl E, Witte K, Soergel M, Mehls O, Schaefer F, Hypertension for the GWG on P. Distribution of 24-h ambulatory blood pressure in children: normalized reference values and role of body dimensions. Journal of Hypertension. 2002 Oct;20(10):1995.", implausible values were replaced by interpolated ones from package version 0.7.4

Parameters from Wuehl et al. blood pressure reference values Germany according to height from version 0.7.3 unplausible values are replaced by interpolated ones. For the original values check out earlier versions

Description

Parameters from Wuehl et al. blood pressure reference values Germany according to height from version 0.7.3 unplausible values are replaced by interpolated ones. For the original values check out earlier versions

Usage

bp_wuehl_height.ref

Source

"Wuehl E, Witte K, Soergel M, Mehls O, Schaefer F, Hypertension for the GWG on P. Distribution of 24-h ambulatory blood pressure in children: normalized reference values and role of body dimensions. Journal of Hypertension. 2002 Oct;20(10):1995.", implausible values were replaced by interpolated ones from package version 0.7.4

Calculate confidence intervals

Description

Calculate confidence intervals

Usage

calc_confints(
  lms.list,
  perc = c(2.5, 5, 50, 95, 97.5),
  level = 0.95,
  type = c("point")
)

Arguments

Details

The function takes a lms list as returned by do_iterations and calculates the confidence bands for a given set of percentiles using envelope from the boot package

Value

list containing the respective confidence envelopes

Author(s)

mandy

Calculate percentage relative to a given base percentile

Description

Calculate percentage relative to a given base percentile

Usage

calc_percent_excess(
  bmi = NULL,
  age = NULL,
  sex = NULL,
  ref.perc = 50,
  ref,
  item = "bmi",
  rownr = NULL
)

Arguments

Details

The function calculates the percentage of a given bmi value relative to a specific percentile

Value

vector containing values between 0 and 1

Author(s)

Mandy Vogel

LMS Parameters for the Centers for Disease Control and Prevention 2000 Growth Charts, contains bmi, height, head cirumference, weight, weight for length,

Description

LMS Parameters for the Centers for Disease Control and Prevention 2000 Growth Charts, contains bmi, height, head cirumference, weight, weight for length,

Usage

cdc.ref

Source

National health statitics reports 63.

Parameters for height of normal weight and obese children from the CrescNet database dependent on height

Description

Parameters for height of normal weight and obese children from the CrescNet database dependent on height

Usage

cn.ref

Source

"Kempf et al. In progress"

Parameters for bmi from Cole and Lobstein, 2012

Description

Parameters for bmi from Cole and Lobstein, 2012

Usage

cole_lobstein.ref

Source

Cole TJ, Lobstein T. Extended international (IOTF) body mass index cut-offs for thinness, overweight and obesity. Pediatric Obesity 2012;7(4):284–94.

Parameters of skinfold measures derived from Colombian population

Description

Parameters of skinfold measures derived from Colombian population

Usage

colombia_sf.ref

Source

Ramirez-Velez, R. et al. Triceps and Subscapular Skinfold Thickness Percentiles and Cut-Offs for Overweight and Obesity in a Population-Based Sample of Schoolchildren and Adolescents in Bogota, Colombia. Nutrients 8, (2016).

do lms iterations

Description

Do lms iterations

Usage

do_iterations(
  data.list,
  n = 10,
  max.it = 1000,
  method = "gamlss",
  prop.fam = 0.75,
  prop.subject = 1,
  age.min = 0,
  age.max = 18,
  age.int = 1/12,
  x2.min = 25,
  x2.max = 42,
  x2.int = 1/12,
  keep.models = F,
  dist = "BCCGo",
  mu.df = 4,
  sigma.df = 3,
  nu.df = 2,
  tau.df = 2,
  verbose = F,
  formula = NULL,
  sigma.formula = ~1,
  nu.formula = ~1,
  tau.formula = ~1,
  method.pb = "ML",
  trans.x = F,
  lim.trans = c(0, 1.5)
)

Arguments

Details

function samples families, samples measurements (and subjects), fits the model for a given number of iterations

Value

list of lists for models and fitted parameters

Author(s)

Mandy Vogel

Parameters for different carotid artery intima-media thickness and distensibility dependent on age

Description

Parameters for different carotid artery intima-media thickness and distensibility dependent on age

Usage

doyon_age.ref

Source

"Doyon A, Kracht D, Bayazit AK, et al. Carotid artery intima-media thickness and distensibility in children and adolescents: reference values and role of body dimensions. Hypertension 2013;62(3):550-6"

Parameters for different carotid artery intima-media thickness and distensibility dependent on height

Description

Parameters for different carotid artery intima-media thickness and distensibility dependent on height

Usage

doyon_height.ref

Source

"Doyon A, Kracht D, Bayazit AK, et al. Carotid artery intima-media thickness and distensibility in children and adolescents: reference values and role of body dimensions. Hypertension 2013;62(3):550-6"

dummy

Description

dummy function to call a function of the gamlss.dist package

Usage

dummy.refs(ref, item)

Arguments

Details

dummy function to call a function of the gamlss.dist package

Value

dummy output

Author(s)

Mandy Vogel

Parameters for bodyfat ( for Whites, Blacks, and Mexican-Americans

Description

Parameters for bodyfat ( for Whites, Blacks, and Mexican-Americans

Usage

duran_bf.ref

Source

"Duran I, Martakis K, Rehberg M, Stark C, Schafmeyer L, Schoenau E. Reference Centiles for the Evaluation of Nutritional Status in Children using Body Fat Percentage, Fat Mass and Lean Body Mass Index. Journal of Clinical Densitometry [Internet] 2019 [cited 2019 Mar 19];Available from: https://linkinghub.elsevier.com/retrieve/pii/S1094695018302622"

Parameters derived Ethiopian children

Description

Parameters derived Ethiopian children

Usage

ethiop.ref

Source

Amare, E. B. et al. Reference Ranges for Head Circumference in Ethiopian Children 0–2 Years of Age. World Neurosurgery 84, 1566–1571.e2 (2015).

fit lms

Description

fit gamlss

Usage

fit_gamlss(
  data,
  age.min = 0.25,
  age.max = 18,
  age.int = 1/12,
  keep.models = F,
  dist = "BCCGo",
  mu.df = 4,
  sigma.df = 3,
  nu.df = 2,
  tau.df = 2,
  trans.x = F,
  lim.trans = c(0, 1.5),
  value,
  tmpdata
)

Arguments

Details

wrapper around the lms function in the gamlss package returns the fitted lms-parameter at given age points the function is called inside do_iterations and may not called directly

Value

list containing a dataframe of the fitted lms parameter at the given age points and the fitted model

Author(s)

Mandy Vogel

fit_gamlss1

Description

fit_gamlss1

Usage

fit_gamlss1(
  data,
  age.min = 0,
  age.max = 80,
  age.int = 1/12,
  keep.models = F,
  dist = "BCCGo",
  formula = NULL,
  sigma.formula = ~1,
  nu.formula = ~1,
  tau.formula = ~1,
  method.pb = "ML"
)

Arguments

Details

wrapper around the gamlss function from the gamlss package returns the fitted lms-parameter at given age points the function is called inside do_iterations and may not be called directly

Value

list containing a dataframe of the fitted lms parameter at the given age points and the fitted model

Author(s)

Mandy Vogel

fit_gamlss_2d

Description

fit_gamlss 2dim

Usage

fit_gamlss_2d(
  data,
  age.min = 0,
  age.max = 80,
  age.int = 1/12,
  x2.min = 25,
  x2.max = 42,
  x2.int = 1,
  keep.models = F,
  dist = "BCCGo",
  formula = NULL,
  sigma.formula = ~1,
  nu.formula = ~1,
  tau.formula = ~1,
  method.pb = "ML"
)

Arguments

Details

wrapper around the gamlss function from the gamlss package returns the fitted lms-parameter at given age points the function is called inside do_iterations and may not be called directly

Value

list containing a dataframe of the fitted lms parameter at the given age points and the fitted model

Author(s)

Mandy Vogel

fit lms parameters via VGAM

Description

fit vgam

Usage

fit_vgam(
  data,
  age.min = 0.25,
  age.max = 18,
  age.int = 1/12,
  keep.models = F,
  dist = "BCN",
  mu.df = 4,
  sigma.df = 3,
  nu.df = 2,
  value
)

Arguments

Details

wrapper around the vgam function in the VGAM package returns the fitted lms-parameter at given age points the function is called inside do_iterations and may not called directly

Value

list containing a dataframe of the fitted lms parameter at the given age points and the fitted model

Author(s)

mandy

Parameters derived from Dutch children (additional to nl4.ref)

Description

Parameters derived from Dutch children (additional to nl4.ref)

Usage

fredriks05.ref

Source

Fredriks, A. M. et al. Nationwide age references for sitting height, leg length, and sitting height/height ratio, and their diagnostic value for disproportionate growth disorders. Archives of Disease in Childhood 90, 807–812 (2005)

Parameters for height, weight, sitting height, etc from Ghouili, 2021

Description

Parameters for height, weight, sitting height, etc from Ghouili, 2021

Usage

ghouili_anthro.ref

Source

Ghouili H, Ouerghi N, Boughalmi A, Dridi A, Rhibi F, Bouassida A. First growth reference curves for Tunisian children and adolescents. Archives de Pediatrie 2021;28(5):381–91

Parameters for BMI and TMI from Gomez, 2021

Description

Parameters for BMI and TMI from Gomez, 2021

Usage

gomez_bmitmi.ref

Source

Gomez-Campos R, Vidal-Espinoza R, Marques de Moraes A, et al. Comparison of Anthropometric Indicators That Assess Nutritional Status From Infancy to Old Age and Proposal of Percentiles for a Regional Sample of Chile. Frontiers in Nutrition 2021 [cited 2022 May 28];8. Available from: https://www.frontiersin.org/article/10.3389/fnut.2021.657491

International Laboratory Parameters Tables

Description

International Laboratory Parameters Tables

Usage

international_lab.ref

Source

Bidlingmaier, M., Friedrich, N., Emeny, R.T., Spranger, J., Wolthers, O.D., Roswall, J., Koerner, A., Obermayer-Pietsch, B., Huebener, C., Dahlgren, J., others, 2014. Reference intervals for insulin-like growth factor-1 (IGF-I) from birth to senescence: results from a multicenter study using a new automated chemiluminescence IGF-I immunoassay conforming to recent international recommendations. The Journal of Clinical Endocrinology & Metabolism 99, 1712-1721.

Friedrich, N., Wolthers, O.D., Arafat, A.M., Emeny, R.T., Spranger, J., Roswall, J., Kratzsch, J., Grabe, H.J., Huebener, C., Pfeiffer, A.F.H., Doering, A., Bielohuby, M., Dahlgren, J., Frystyk, J., Wallaschofski, H., Bidlingmaier, M., 2014. Age- and Sex-Specific Reference Intervals Across Life Span for Insulin-Like Growth Factor Binding Protein 3 (IGFBP-3) and the IGF-I to IGFBP-3 Ratio Measured by New Automated Chemiluminescence Assays. The Journal of Clinical Endocrinology & Metabolism 99, 1675-1686. doi:10.1210/jc.2013-3060

Parameters for iron-related blood parameters in children

Description

Parameters for iron-related blood parameters in children

Usage

iron.ref

Source

Rieger, K. et al. Reference intervals for iron-related blood parameters: results from a population-based cohort study (LIFE Child). LaboratoriumsMedizin 40, (2016).

Parameters derived from Italian children

Description

Parameters derived from Italian children

Usage

italian.ref

Source

Cacciari E, Milani S, Balsamo A, Spada E, Bona G, Cavallo L, et al. Italian cross-sectional growth charts for height, weight and BMI (2 to 20 yr). J Endocrinol Invest. 2006 Jul 1;29(7):581–93.

Parameters of serum insulin-like growth factor-I (IGF-I)

Description

Parameters of serum insulin-like growth factor-I (IGF-I)

Usage

japan_lab.ref

Source

Isojima, T., Shimatsu, A., Yokoya, S., Chihara, K., Tanaka, T., Hizuka, N., Teramoto, A., Tatsumi, K., Tachibana, K., Katsumata, N., Horikawa, R., 2012. Standardized centile curves and reference intervals of serum insulin-like growth factor-I (IGF-I) levels in a normal Japanese population using the LMS method. Endocrine Journal 59, 771-780. doi:10.1507/endocrj.EJ12-0110

Parameters derived from Japanese children

Description

Parameters derived from Japanese children

Usage

japanese.ref

Source

Inokuchi, M., Matsuo, N., Anzo, M., Takayama, J. I. & Hasegawa, T. Age-dependent percentile for waist circumference for Japanese children based on the 1992–1994 cross-sectional national survey data. Eur J Pediatr 166, 655–661 (2007)

Parameters for Cardiovascular Magnetic Resonance

Description

Parameters for Cardiovascular Magnetic Resonance

Usage

kawel_boehm.ref

Source

Kawel-Boehm N, Hetzel SJ, Ambale-Venkatesh B, et al. Reference ranges (normal values) for cardiovascular magnetic resonance (CMR) in adults and children: 2020 update. Journal of Cardiovascular Magnetic Resonance 2020;22(1):87.

LMS Parameters for German reference data (KiGGS, 2003-2006) for height, weight, bmi, hip, whr, whtr, bodyfat, skinfold sum, triceps skinfold, subscapular skinfold, and waist circumference

Description

LMS Parameters for German reference data (KiGGS, 2003-2006) for height, weight, bmi, hip, whr, whtr, bodyfat, skinfold sum, triceps skinfold, subscapular skinfold, and waist circumference

Usage

kiggs.ref

Source

Referenzperzentile fuer anthropometrische Masszahlen und Blutdruck aus KiGGS 2003-2006, Robert Koch Institut, Germany

Parameters derived from the German KiGGS cohort

Description

Parameters derived from the German KiGGS cohort

Usage

kiggs_bp.ref

Details

contains 2-dimensional reference grid. Do not use with sds but sds_2d

Source

Neuhauser, H. K., Thamm, M., Ellert, U., Hense, H. W. & Rosario, A. S. Blood Pressure Percentiles by Age and Height from Nonoverweight Children and Adolescents in Germany. Pediatrics peds.2010-1290 (2011). doi:10.1542/peds.2010-1290.

Parameters regarding lightness and height-to-mass ratio

Description

Parameters regarding lightness and height-to-mass ratio

Usage

kiggs_lightness.ref

Source

Kliegl et al. in preparation

Parameters for fat and lean mass from Kirk, 2021

Description

Parameters for fat and lean mass from Kirk, 2021

Usage

kirk_bf.ref

Source

Kirk B, Bani Hassan E, Brennan-Olsen S, et al. Body composition reference ranges in community-dwelling adults using dual-energy X-ray absorptiometry: the Australian Body Composition (ABC) Study. Journal of Cachexia, Sarcopenia and Muscle 2021;12(4):880–90.

LMS Parameters for German reference data (Kromeyer Hauschild, 2001) for height, weight, bmi, and waist circumference, including preterm correction (Voigt) and census data for ages 18+ to 92 years

Description

LMS Parameters for German reference data (Kromeyer Hauschild, 2001) for height, weight, bmi, and waist circumference, including preterm correction (Voigt) and census data for ages 18+ to 92 years

Usage

kro.ref

Source

Perzentile fuer den Body-mass-Index fuer das Kindes- und Jugendalter unter Heranziehung verschiedener deutscher Stichproben, Monatsschrift Kinderheilkunde August 2001, Volume 149, Issue 8, pp 807-818; Fruehgeborenenkorrektur nach Voigt

LMS Parameters for German reference data (Kromeyer Hauschild, 2015) for height, weight, bmi, and waist circumference, including preterm correction (Voigt) and Kromyer-Hausschild 2015

Description

LMS Parameters for German reference data (Kromeyer Hauschild, 2015) for height, weight, bmi, and waist circumference, including preterm correction (Voigt) and Kromyer-Hausschild 2015

Usage

kro.ref15

Source

Perzentile fuer den Body-mass-Index fuer das Kindes- und Jugendalter unter Heranziehung verschiedener deutscher Stichproben, Monatsschrift Kinderheilkunde August 2001, Volume 149, Issue 8, pp 807-818; preterm adjustment Voigt; Adults: Kromeyer-Hauschild K, Moss A, Wabitsch M. Referenzwerte für den Body-Mass-Index für Kinder, Jugendliche und Erwachsene in Deutschland. Adipositas - Ursachen, Folgeerkrankungen, Therapie. 2015;09(3):123-127. doi:10.1055/s-0037-1618928

Parameters for leptin dependent on age/puberty and bmi

Description

Parameters for leptin dependent on age/puberty and bmi

Usage

leptin.ref

Source

Brandt-Hedunemann et al. In preparation

Parameters for IGF-1 from Liao, 2016

Description

Parameters for IGF-1 from Liao, 2016

Usage

liao_igf1.ref

Source

Liao ZH, Yin QQ, Wan JX, He W, Ji W, Zhang LY, et al. Serum Insulin-like growth factor-1 levels of healthy adults in southern China. Endocr J. 2016 Dec 30;63(12):1081–6.

Parameters for alkaline phosphatase

Description

Parameters for alkaline phosphatase

Usage

life_ap.ref

Source

Strauch, J.-M., Vogel, M., Meigen, C., Ceglarek, U., Kratzsch, J., Willenberg, A., Kiess, W., 2023. Pediatric reference values of alkaline phosphatase: Analysis from a German population-based cohort and influence of anthropometric and blood parameters. Bone 174, 116809. https://doi.org/10.1016/j.bone.2023.116809

Parameters for complete blood count

Description

Parameters for complete blood count

Usage

life_cbc.ref

Source

Sommer et al. In preparation

Parameters for different circumferences and whr and whtr

Description

Parameters for different circumferences and whr and whtr

Usage

life_circ.ref

Source

"Roennecke E, Vogel M, Bussler S, Grafe N, Jurkutat A, Schlingmann M, Koerner A, Kiess W. Age- and sex-related percentiles of skinfold thickness, waist and hip circumference, Waist-to- Hip Ratio and Waist-to-Height Ratio: Results from a population-based paediatric cohort in Germany (LIFE Child). Obesity Facts. 2019."

Parameters for creatine kinase

Description

Parameters for creatine kinase

Usage

life_ck.ref

Source

Publication in Preparation

Parameters for different metabolom parameters from the LIFE Child cohort

Description

Parameters for different metabolom parameters from the LIFE Child cohort

Usage

life_cysc.ref

Source

"Ziegelasch N, Vogel M, Müller E, et al. Cystatin C Serum Levels in Healthy Children Are Related to Age, Gender, and Pubertal Stage. Pediatr Nephrol 2019; 34: 449–57."

Parameters for fibroscan from the LIFE Child cohort

Description

Parameters for fibroscan from the LIFE Child cohort

Usage

life_fibroscan.ref

Source

Brunnert, L., Puasa, I.D., Garten, A., Penke, M., Gaul, S., Grafe, N., Karlas, T., Kiess, W., Flemming, G., Vogel, M., 2022. Pediatric percentiles for transient elastography measurements - effects of age, sex, weight status and pubertal stage. Front Endocrinol (Lausanne) 13, 1030809. https://doi.org/10.3389/fendo.2022.1030809

Parameters regarding folate and cobalamine

Description

Parameters regarding folate and cobalamine

Usage

life_folb12.ref

Source

Kreusler, P., Vogel, M., Willenberg, A., Baber, R., Dietz, Y., Körner, A., Ceglarek, U., Kiess, W., 2021. Folate and Cobalamin Serum Levels in Healthy Children and Adolescents and Their Association with Age, Sex, Bmi and Socioeconomic Status. Nutrients 13. https://doi.org/10.3390/nu13020546

Parameters for hba1c based on a child cohort a) including overweight and b) excluding overweight children

Description

Parameters for hba1c based on a child cohort a) including overweight and b) excluding overweight children

Parameters regarding HbA1c

Usage

life_hba1c.ref

life_hba1c.ref

Source

"Hovestadt, I., Kiess, W., Lewien, C., Willenberg, A., Poulain, T., Meigen, C., Körner, A., Vogel, M., 2022. HbA1c Percentiles and the Association between BMI, Age, Gender, Puberty and HbA1c Levels in Healthy German Children and Adolescents. Pediatr Diabetes 23, 194–202. https://doi.org/10.1111/pedi.13297"

Hovestadt, I., Kiess, W., Lewien, C., Willenberg, A., Poulain, T., Meigen, C., Körner, A., Vogel, M., 2022. HbA1c Percentiles and the Association between BMI, Age, Gender, Puberty and HbA1c Levels in Healthy German Children and Adolescents. Pediatr Diabetes 23, 194–202. https://doi.org/10.1111/pedi.13297

hs-Troponin T and NT-proBNP from the LIFE Child cohort

Description

hs-Troponin T and NT-proBNP from the LIFE Child cohort

Parameters for heart markers

Usage

life_heart.ref

life_heart.ref

Source

Kiess A, Green J, Willenberg A, et al. Age-dependent reference values for hs-Troponin T and NT-proBNP and determining factors in a cohort of healthy children (The LIFE child study). Pediatric Cardiology 2022.

Kiess, A., Green, J., Willenberg, A., Ceglarek, U., Dähnert, I., Jurkutat, A., Körner, A., Hiemisch, A., Kiess, W., Vogel, M., 2022. Age-Dependent Reference Values for Hs-Troponin T and Nt-Probnp and Determining Factors in a Cohort of Healthy Children (the Life Child Study). Pediatr Cardiol 43, 1071–1083. https://doi.org/10.1007/s00246-022-02827-x

IGF-I and IGF-BP3 from the LIFE Child cohort

Description

IGF-I and IGF-BP3 from the LIFE Child cohort

Usage

life_igf.ref

Source

Hoerenz C, Vogel M, Wirkner K. BMI and contraceptives affect new age-, sex-, and puberty-adjusted IGF-I and IGFBP-3 reference ranges across life span. JCEM 2022 (in (minor) revision).

Parameters for serum liver enzymes

Description

Parameters for serum liver enzymes

Usage

life_liver.ref

Source

Bussler et al, New pediatric percentiles of liver enzyme serum levels (ALT, AST, GGT): effects of age, sex, BMI and pubertal stage, Hepatology 2017

Parameters for oxyandrogenes

Description

Parameters for oxyandrogenes

Usage

life_oxyandrogene.ref

Source

Zeidler R, Wagner F, et al. in preparation

Parameters for shbg and testosterone-shbg-ratio

Description

Parameters for shbg and testosterone-shbg-ratio

Usage

life_shbg.ref

Source

Duergen P. et al. in preparation

Parameters for different skinfolds

Description

Parameters for different skinfolds

Usage

life_skinfold.ref

Source

"Roennecke E, Vogel M, Bussler S, Grafe N, Jurkutat A, Schlingmann M, Koerner A, Kiess W. Age- and sex-related percentiles of skinfold thickness, waist and hip circumference, Waist-to- Hip Ratio and Waist-to-Height Ratio: Results from a population-based paediatric cohort in Germany (LIFE Child). Obesity Facts. 2019."

Parameters for steroid hormones

Description

Parameters for steroid hormones

Usage

life_steroide.ref

Source

Bae, Y.J., Zeidler, R., Baber, R., Vogel, M., Wirkner, K., Loeffler, M., Ceglarek, U., Kiess, W., Koerner, A., Thiery, J., Kratzsch, J., 2019. Reference intervals of nine steroid hormones over the life-span analyzed by LC-MS/MS: Effect of age, gender, puberty, and oral contraceptives. J. Steroid Biochem. Mol. Biol. 193, 105409. https://doi.org/10.1016/j.jsbmb.2019.105409

Parameters regarding soluble transferrin receptor

Description

Parameters regarding soluble transferrin receptor

Usage

life_stfr.ref

Source

Prenzel et al. In Preparation.

Parameters for TSH, FT3, FT4 from the LIFE Child cohort

Description

Parameters for TSH, FT3, FT4 from the LIFE Child cohort

Usage

life_thyr.ref

Source

"Surup H., Vogel M., Koerner A., Hiemisch A., Oelkers L., Willenberg A., Kiess W., Kratzsch J. (2021). BMI and puberty have to be included into the interpretation of TSH, FT3 and FT4 measurements by new pediatric reference intervals. THYROID."

Parameters for vegf-d

Description

Parameters for vegf-d

Usage

life_vegf.ref

Source

Arelin M. et al. in preparation

Parameters for cobalamin and folate (awkward)

Description

Parameters for cobalamin and folate (awkward)

Usage

life_vit.ref

Source

Kreusler, P., Vogel, M., Willenberg, A., Baber, R., Dietz, Y., Körner, A., Ceglarek, U., Kiess, W., 2021. Folate and Cobalamin Serum Levels in Healthy Children and Adolescents and Their Association with Age, Sex, Bmi and Socioeconomic Status. Nutrients 13. https://doi.org/10.3390/nu13020546

Parameters for left artrial volumne Linden et al,

Description

Parameters for left artrial volumne Linden et al,

Usage

linden_heart.ref

Source

Linden, K. et al. (2019) Left Atrial Volumes and Phasic Function in Healthy Children: Reference Values Using Real-Time Three-Dimensional Echocardiography, Journal of the American Society of Echocardiography, 32(8), pp. 1036-1045.e9. doi:10.1016/j.echo.2019.03.018.

Parameters for serum lipids in children

Description

Parameters for serum lipids in children

Usage

lipids.ref

Source

Dathan-Stumpf, A. et al. Pediatric reference data of serum lipids and prevalence of dyslipidemia: Results from a population-based cohort in Germany. Clinical Biochemistry 49, 740–749 (2016). In addition non-hdl references are provided. Publication in progress (Maidowski et al).

calculate raw values

Description

Calculate raw values for percentile curve

Usage

make_percentile_tab(
  ref,
  item,
  perc = c(2.5, 5, 50, 95, 97.5),
  stack = F,
  age = NULL,
  include.pars = T,
  digits = 4,
  sex
)

Arguments

Details

calculates quantile values for given RefGroup and given percentiles

Value

data frame either with the different percentiles as columns or, if stacked, as data frame with four columns: age, sex, variable, value

Author(s)

Mandy Vogel

Examples

ptab <- make_percentile_tab(ref = kro.ref,
                            item = "height",
                           perc = c(2.5,10,50,90,97.5),
                           stack = TRUE)

ggplot2::ggplot(ptab, ggplot2::aes(x = age, y = value, colour = variable)) +
   ggplot2::geom_line() +
   ggplot2::facet_wrap(~ sex, nrow = 2)

calculate raw values

Description

Calculate raw values for percentile curve

Usage

make_percentile_tab2d(
  ref,
  item,
  perc = c(2.5, 5, 50, 95, 97.5),
  stack = F,
  age = NULL,
  x2 = NULL,
  include.pars = T,
  digits = 4,
  sex
)

Arguments

Details

calculates quantile values for given RefGroup and given percentiles

Value

data frame either with the different percentiles as columns or, if stacked, as data frame with four columns: age, sex, variable, value

Author(s)

Mandy Vogel

Examples

ptab <- make_percentile_tab(ref = kro.ref,
                            item = "height",
                           perc = c(2.5,10,50,90,97.5),
                           stack = TRUE)

ggplot2::ggplot(ptab, ggplot2::aes(x = age, y = value, colour = variable)) +
   ggplot2::geom_line() +
   ggplot2::facet_wrap(~ sex, nrow = 2)

mean ridits for vectors of paired observations

Description

mean ridits for vectors of paired observations

Usage

mean_ridits(v, w, maxrank = max(v), minrank = NULL)

Arguments

Value

2-element named vector

Author(s)

Mandy Vogel

Parameters for different metabolom parameters from the LIFE Child cohort

Description

Parameters for different metabolom parameters from the LIFE Child cohort

Usage

metabolom.ref

Source

"Hirschel, J., Vogel, M., Baber, R., Garten, A., Beuchel, C., Dietz, Y., Dittrich, J., Körner, A., Kiess, W., & Ceglarek, U. (2020). Relation of Whole Blood Amino Acid and Acylcarnitine Metabolome to Age, Sex, BMI, Puberty, and Metabolic Markers in Children and Adolescents. Metabolites, 10(4), 149. https://doi.org/10.3390/metabo10040149"

calculate mid mean ranks

Description

calculate mid mean ranks

Usage

mid.mean.ranks(
  v1,
  v2,
  maxrank = max(c(v2, v1)),
  minrank = NULL,
  conf.level = 0.05
)

Arguments

Value

list of marginal mean ranks and mid ranks

Author(s)

Mandy Vogel

Mock a data frame

Description

mock values for a given reference

Usage

mock_df(ref, item, n = 1000)

Arguments

Details

mock values for a given reference

Value

data frame containing a age, sex, and value column

Author(s)

mandy

Mock Value

Description

mock a value for a given reference

Usage

mock_value(ref, item, sex = c("male", "female"), age)

Arguments

Details

the function creates a random value for a given age and sex value and a given reference

Value

a random value from the conditional distribution (conditionally on age and sex)

Author(s)

mandy

Mock Values

Description

mock values for a given reference, given age and given sex

Usage

mock_values(df, sex, age, ref, item)

Arguments

Details

the function creates random values for given age and sex values and a given reference

Value

data frame containing the additional column with random numbers

Author(s)

mandy

Parameters for the German MoMo study (sports test)

Description

Parameters for the German MoMo study (sports test)

Usage

momo.ref

Source

"Niessner C, Utesch T, Oriwol D, et al. Representative Percentile Curves of Physical Fitness From Early Childhood to Early Adulthood: The MoMo Study. Front Public Health 2020;8. Available from: https://www.frontiersin.org/articles/10.3389/fpubh.2020.00458/full?report=reader"

Parameters for 5 subtests of the KiGGS Motorik Module

Description

Parameters for 5 subtests of the KiGGS Motorik Module

Usage

motor.ref

Source

"Sobek et al. In progress"

Parameters of skinfold measures derived from Colombian population

Description

Parameters of skinfold measures derived from Colombian population

Usage

nl3.ref

Source

Fredriks, A. M. et al. Continuing positive secular growth change in The Netherlands 1955-1997. Pediatric research 47, 316-323 (2000).

Fredriks, A.M., van Buuren, S., Wit, J.M., Verloove-Vanhorick, S.P., 2000. Body index measurements in 1996-7 compared with 1980. Archives of disease in childhood 82, 107-112.

https://cran.r-project.org/package=AGD

Parameters derived from the 4th Dutch growth study

Description

Parameters derived from the 4th Dutch growth study

Usage

nl4.ref

Source

Fredriks, A. M. et al. Nationwide age references for sitting height, leg length, and sitting height/height ratio, and their diagnostic value for disproportionate growth disorders. Archives of Disease in Childhood 90, 807–812 (2005); Fredriks, A. M. et al. Height, weight, body mass index and pubertal development references for children of Moroccan origin in The Netherlands. Acta Paediatr. 93, 817–824 (2004); Fredriks, A. M. et al. Continuing positive secular growth change in The Netherlands 1955–1997. Pediatric research 47, 316–323 (2000); Fredriks, A. M. et al. Height, weight, body mass index and pubertal development reference values for children of Turkish origin in the Netherlands. Eur. J. Pediatr. 162, 788–793 (2003); Fredriks, A. M., van Buuren, S., Wit, J. M. & Verloove-Vanhorick, S. P. Body index measurements in 1996–7 compared with 1980. Archives of disease in childhood 82, 107–112 (2000); R package: AGD, Stef van Buuren, http://www.stefvanbuuren.nl/

Parameters for fat and lean mass from Ofenheimer et al., 2020

Description

Parameters for fat and lean mass from Ofenheimer et al., 2020

Usage

ofenheimer_bf.ref

Source

Ofenheimer A, Breyer-Kohansal R, Hartl S, et al. Reference values of body composition parameters and visceral adipose tissue (VAT) by DXA in adults aged 18–81 years—results from the LEAD cohort. European Journal of Clinical Nutrition 2020;74(8):1181–91.

one iteration

Description

one iteration

Usage

one_iteration(
  data.list,
  method,
  prop.fam = 0.75,
  prop.subject = 1,
  age.min = 0,
  age.max = 18,
  age.int = 1/12,
  x2.min = 25,
  x2.max = 42,
  x2.int = 1/12,
  keep.models = F,
  dist = "BCCGo",
  formula = NULL,
  sigma.df = 3,
  nu.df = 2,
  mu.df = 4,
  tau.df = 2,
  sigma.formula = ~1,
  nu.formula = ~1,
  tau.formula = ~1,
  verbose = F,
  trans.x = F,
  lim.trans = c(0, 1.5),
  method.pb = "ML"
)

Arguments

Details

function samples families then measurements and fits the model the function is called inside do_iterations and may not called directly

Value

list of lists each containing a dataframe of the fitted lms parameter at the given age points and the fitted model

Author(s)

Mandy Vogel

Parameters derived from Portuguese children

Description

Parameters derived from Portuguese children

Usage

portug.ref

Source

Chaves, R., Baxter-Jones, A., Souza, M., Santos, D. & Maia, J. Height, weight, body composition, and waist circumference references for 7-to 17-year-old children from rural Portugal. HOMO-Journal of Comparative Human Biology 66, 264–277 (2015).

prepare data for iteration process

Description

prepare data for repeated iteration process

Usage

prepare_data(
  data,
  group = NULL,
  subject = "SIC",
  sex = NULL,
  value = "value",
  age = "age",
  x2 = "x2",
  lb = -Inf,
  ub = Inf
)

Arguments

Details

given a dataframe, the column name of the subject identifier, sex, age, value and group colums, the function creates a dataframe containing only these five columns with the standard column names group, subject, sex, age, value. lines containing missing values are removed.

Value

list of dataframes containing the columns group, subject, sex, age, value; one dataframe for every level of sex

Author(s)

Mandy Vogel

Parameters Preterm and Intrauterine

Description

Parameters Preterm and Intrauterine

Usage

preterm.ref

Source

Olsen, I.E., Lawson, M.L., Ferguson, A.N., Cantrell, R., Grabich, S.C., Zemel, B.S., Clark, R.H., 2015. BMI Curves for Preterm Infants. PEDIATRICS 135, e572-e581. doi:10.1542/peds.2014-2777

Olsen, I.E., Groveman, S.A., Lawson, M.L., Clark, R.H., Zemel, B.S., 2010. New intrauterine growth curves based on United States data. Pediatrics 125, e214-224. doi:10.1542/peds.2009-0913

propabilities

Description

propabilities

Usage

props(v, maxrank = max(v), minrank = NULL)

Arguments

Value

1-dim contingency table

Author(s)

Mandy Vogel

color palette Pediatric research

Description

color palette Pediatric research

Usage

prs_pal(pal = "orig", primary = "blue", other = "violet", direction = 1)

Arguments

Value

function of n

Author(s)

Mandy Vogel

ridits from ranks

Description

ridits from ranks

Usage

ridits.from.ranks(v, maxrank = max(v), minrank = NULL)

Arguments

Value

vector of ridits

Author(s)

Mandy Vogel

Parameters for fat and lean mass from Ripka et al, 2020

Description

Parameters for fat and lean mass from Ripka et al, 2020

Usage

ripka_bf.ref

Source

Ripka, W.L. et al. (2020) Lean mass reference curves in adolescents using dual-energy x-ray absorptiometry (DXA), PLOS ONE, 15(2), p. e0228646. doi:10.1371/journal.pone.0228646.

Parameters derived from Saudi children

Description

Parameters derived from Saudi children

Usage

saudi.ref

Source

Mouzan, M. I. E., Salloum, A. A. A., Alqurashi, M. M., Herbish, A. S. A. & Omar, A. A. The LMS and Z scale growth reference for Saudi school-age children and adolescents. Saudi Journal of Gastroenterology 22, 331 (2016)

Shaik, S.A., El Mouzan, M.I., AlSalloum, A.A., AlHerbish, A.S., 2016. Growth reference for Saudi preschool children: LMS parameters and percentiles. Ann Saudi Med 36, 2-6. doi:10.5144/0256-4947.2016.2

discrete ggplot colour scale of PRS colors

Description

discrete ggplot colour scale

Usage

scale_colour_prs(
  pal = "orig",
  primary = "blue",
  other = "violet",
  direction = 1,
  ...
)

Arguments

Value

colour scale for use with ggplot()

Author(s)

Mandy Vogel

discrete ggplot colour scale of PRS colors

Description

discrete ggplot fill scale

Usage

scale_fill_prs(
  pal = "orig",
  primary = "blue",
  other = "violet",
  direction = 1,
  ...
)

Arguments

Value

colour scale for use with ggplot()

Author(s)

Mandy Vogel

uchu colour scale

Description

Uchu colour scale

Usage

scale_colour_uchu(
  pal = c("gray", "red", "pink", "purple", "blue", "green", "yellow", "orange",
    "general"),
  ...
)

scale_fill_uchu(
  pal = c("gray", "red", "pink", "purple", "blue", "green", "yellow", "orange",
    "general"),
  ...
)

Arguments

Details

provides the uchu colour scale as ggplot2 colour scale (https://github.com/NeverCease/uchu)

Value

ggplot colour scale

Author(s)

Mandy Vogel

Parameters for bone mineral content/density, fm, lm (lower limbs) from Schafmeyer, 2022

Description

Parameters for bone mineral content/density, fm, lm (lower limbs) from Schafmeyer, 2022

Usage

schafmeyer_leg.ref

Source

Schafmeyer L, Linden T, Sill H, Rehberg M, Schoenau E, Duran I. Pediatric Reference Centiles of Bone Mineral Density and Body Composition of Lower Limbs. Journal of Clinical Densitometry. 2022 Jan;25(1):73–80.

Calculate SDS Values

Description

Calculate SDS values

Usage

sds(value, age, sex, item, ref, type = "SDS", male = "male", female = "female")

Arguments

Details

The function takes a vector of measurement values, and of age and of sex and a RefGroup object as arguments. It calculates the sds or percentile values.

Value

vector containing SDS or percentile values

Author(s)

Mandy Vogel

Examples

anthro <- data.frame(age = c(11.61,12.49,9.5,10.42,8.42,10.75,9.57,10.48),
                     height = c(148.2,154.4,141.6,145.3,146,140.9,145.5,150),
                     sex = sample(c("male","female"), size = 8, replace = TRUE),
                     weight = c(69.5,72.65,47.3,51.6,45.6,48.9,53.5,58.5))
anthro$height_sds <- sds(anthro$height,
                         age = anthro$age,
                         sex = anthro$sex, male = "male", female = "female",
                         ref = kro.ref,
                         item = "height",
                         type = "SDS")

anthro$bmi <- anthro$weight/(anthro$height**2) * 10000
anthro$bmi_perc <- sds(anthro$bmi,
                       age = anthro$age,
                       sex = anthro$sex, male = "male", female = "female",
                       ref = kro.ref,
                       item = "bmi",
                       type = "perc")
data(who.ref)
x <- data.frame(height=c(50,100,60,54),
                sex=c("m","f","f","m"),
                age=c(0,2.9,0.6,0.2))
sds(value = x$height, age = x$age, sex = x$sex, male = "m", female = "f",
    ref = who.ref, item = "height")

Calculate SDS Values for 2-dimensional matrix of covariates

Description

Calculate SDS values for 2-dimensional matrix of covariates

Usage

sds2d(
  value,
  age,
  x2,
  sex,
  item,
  ref,
  type = "SDS",
  male = "male",
  female = "female"
)

Arguments

Details

The function takes a vector of measurement values, and of age and a second covariate (like age and height for blood pressure) of sex and a RefGroup object as arguments. It calculates the sds or percentile values. This function is beta.

the function searches for the nearest given point in the reference grid. From there, the SDS/percentile value will be calculated. Different from sds, no interpolation will be applied. The procedure is according to Neuhauser et al. Blood Pressure Percentiles by Age and Height from Nonoverweight Children and Adolescents in Germany. 2011.

Value

vector containing SDS or percentile values

Author(s)

Mandy Vogel

Calculate SDS Values for 2-dimensional matrix of covariates

Description

Calculate SDS values for 2-dimensional matrix of covariates – old version

Usage

sds_2d(
  value,
  age,
  x2,
  sex,
  item,
  ref,
  type = "SDS",
  male = "male",
  female = "female"
)

Arguments

Details

The function takes a vector of measurement values, and of age and a second covariate (like age and height for blood pressure) of sex and a RefGroup object as arguments. It calculates the sds or percentile values. This function is beta.

the function searches for the nearest given point in the reference grid. From there, the SDS/percentile value will be calculated. Different from sds, no interpolation will be applied. The procedure is according to Neuhauser et al. Blood Pressure Percentiles by Age and Height from Nonoverweight Children and Adolescents in Germany. 2011.

Value

vector containing SDS or percentile values

Author(s)

Mandy Vogel

Calculate SDS Values

Description

Calculate SDS values depending on the Tanner stage

Usage

sds_pub(
  value,
  pubstatus,
  sex,
  item,
  ref,
  type = "SDS",
  male = "male",
  female = "female"
)

Arguments

Details

The function takes a vector of measurement values, and of tanner stage and of sex and a RefGroup object as arguments. It calculates the sds or percentile values.

Value

vector containing SDS or percentile values

Author(s)

Mandy Vogel

Calculate SDS Values

Description

Calculate SDS values depending on the Tanner stage and a second variable

Usage

sds_pub2d(
  value,
  pubstat,
  x2,
  sex,
  item,
  ref,
  type = "SDS",
  male = "male",
  female = "female",
  age = NULL,
  id = 1:length(value)
)

Arguments

Details

The function takes a vector of measurement values, and of tanner stage of a second variable (x2) and of sex and a RefGroup object as arguments. It calculates the sds or percentile values.

Value

vector containing SDS or percentile values

Author(s)

Mandy Vogel

Calculate SDS Values

Description

Calculate SDS values - old version for comparison

Usage

sdsold(
  value,
  age,
  sex,
  item,
  ref,
  type = "SDS",
  male = "male",
  female = "female"
)

Arguments

Details

The function takes a vector of measurement values, and of age and of sex and a RefGroup object as arguments. It calculates the sds or percentile values.

Value

vector containing SDS or percentile values

Author(s)

Mandy Vogel

Examples

anthro <- data.frame(age = c(11.61,12.49,9.5,10.42,8.42,10.75,9.57,10.48),
                     height = c(148.2,154.4,141.6,145.3,146,140.9,145.5,150),
                     sex = sample(c("male","female"), size = 8, replace = TRUE),
                     weight = c(69.5,72.65,47.3,51.6,45.6,48.9,53.5,58.5))
anthro$height_sds <- sds(anthro$height,
                         age = anthro$age,
                         sex = anthro$sex, male = "male", female = "female",
                         ref = kro.ref,
                         item = "height",
                         type = "SDS")

anthro$bmi <- anthro$weight/(anthro$height**2) * 10000
anthro$bmi_perc <- sds(anthro$bmi,
                       age = anthro$age,
                       sex = anthro$sex, male = "male", female = "female",
                       ref = kro.ref,
                       item = "bmi",
                       type = "perc")
data(who.ref)
x <- data.frame(height=c(50,100,60,54),
                sex=c("m","f","f","m"),
                age=c(0,2.9,0.6,0.2))
sds(value = x$height, age = x$age, sex = x$sex, male = "m", female = "f",
    ref = who.ref, item = "height")

select families

Description

Select groups (families)

Usage

select_fams(data, prop = 0.75, group, verbose = F)

Arguments

Details

function selects a given proportion of groups/families from the data if no grouping variable is given the original data set is returned function is called inside do_iterations and may not called directly

Value

dataframe containing only prop.fam percent the families in data

Author(s)

Mandy Vogel

choose one measurement per subject

Description

Choose one measurement per subject

Usage

select_meas(data, subject = "subject", prop = 1, verbose = F)

Arguments

Details

function samples one measurement per subject, if prop < 1 additional a prop*100 percent will be sampled from the measurements the function is called inside do_iterations and may not called directly

Value

dataframe containing the sampled rows

Author(s)

Mandy Vogel

class ParTab

Description

show method for ParTab

Usage

## S4 method for signature 'ParTab'
show(object)

Arguments

Details

show method for ParTab

Value

print information about the respective reference table

Author(s)

Mandy Vogel

class RefGroup

Description

show method for RefGroup

Usage

## S4 method for signature 'RefGroup'
show(object)

Arguments

Details

show method for RefGroup

Value

prints information about age range, citations, etc.

Author(s)

Mandy Vogel

Parameters derived from Turkish children

Description

Parameters derived from Turkish children

Usage

turkish.ref

Source

Hatipoglu, N. et al. Waist circumference percentiles for 7- to 17-year-old Turkish children and adolescents. Eur J Pediatr 167, 383–389 (2008);Bundak, R. et al. Body mass index references for Turkish children. Acta Paediatrica 95, 194–198 (2006).

Neyzi, O., Furman, A., Bundak, R., Gunoz, H., Darendeliler, F., Bas, F., 2006. Growth references for Turkish children aged 6 to 18 years. Acta Paediatrica 95, 1635-1641. doi:10.1080/08035250600652013

Bundak, R. et al. Body mass index references for Turkish children. Acta Paediatrica 95, 194-198 (2006).

UCHU colour scales

Description

UCHU colour scales

Usage

uchu.pal

Source

https://github.com/NeverCease/uchu

Parameters from the 1990 UK growth study

Description

Parameters from the 1990 UK growth study

Usage

uk1990.ref

Source

Cole, T.J., Freeman, J.V., Preece, M.A., 1998. British 1990 growth reference centiles for weight, height, body mass index and head circumference fitted by maximum penalized likelihood. Statistics in medicine 17, 407-429.

Cole, T.J., Freeman, J.V., Preece, M.A., 1995. Body mass index reference curves for the UK, 1990. Archives of disease in childhood 73, 25-29.

LMS Parameters for UK-WHO growth charts for height, weight, bmi, head circumference

Description

LMS Parameters for UK-WHO growth charts for height, weight, bmi, head circumference

Usage

ukwho.ref

Source

Wright, Charlotte M., et a,Practice pointer: Using the new UK-WHO growth charts. British Medical Journal 340.c1140 (2010): 647-650.Preterm British 1990, 0-4 WHO2006, 4-18 British1990

Parameters derived from US children (additional to the cdc.ref)

Description

Parameters derived from US children (additional to the cdc.ref)

Usage

us.ref

Source

Sharma, A. K., Metzger, D. L., Daymont, C., Hadjiyannakis, S. & Rodd, C. J. LMS tables for waist-circumference and waist-height ratio Z-scores in children aged 5-19 y in NHANES III: association with cardio-metabolic risks. Pediatric research (2015)

Parameters for neck circumference from Valencia-Sosa, 2021

Description

Parameters for neck circumference from Valencia-Sosa, 2021

Usage

valencia_nc.ref

Source

Valencia-Sosa E, Chavez-Palencia C, Vallarta-Robledo JR, et al. Percentile Reference Values for the Neck Circumference of Mexican Children. Children 2021;8(5):407.

LMS Parameters for WHO growth charts for height, weight, bmi, head circumference,arm mid upper arm circumference, subscapular and triceps skinfold, weight for height

Description

LMS Parameters for WHO growth charts for height, weight, bmi, head circumference,arm mid upper arm circumference, subscapular and triceps skinfold, weight for height

Usage

who.ref

Source

de Onis, M., Onyango, A., Borghi, E., Siyam, A., Blossner, M., & Lutter, C. (2012). Worldwide implementation of the WHO child growth standards. Public Health Nutr, 12, 1-8.

Parameters of bmi, height, and weight; WHO 2007

Description

Parameters of bmi, height, and weight; WHO 2007

Usage

who2007.ref

Source

Onis, M. de, Onyango, A.W., Borghi, E., Siyam, A., Nishida, C., Siekmann, J., 2007. Development of a WHO growth reference for school-aged children and adolescents. Bulletin of the World health Organization 85, 660-667.

Worm Plot ggplot version

Description

Worm plot ggplot version, 2 covariates

Usage

wormplot2d_gg(
  m = NULL,
  residuals = NULL,
  age = NA,
  x2 = NA,
  name.x2,
  n.inter.age = 1,
  n.inter.x2 = 1,
  y.limits = c(-1, 1)
)

Arguments

Details

creates a wormplot for a gamlss model or a given vector of normalized quantile residuals, either for all residuals or grouped by age intervals

Value

ggplot object

Worm Plot ggplot version

Description

Worm plot ggplot version

Usage

wormplot_gg(
  m = NULL,
  residuals = NULL,
  age = NA,
  n.inter = 1,
  y.limits = c(-1, 1)
)

Arguments

Details

creates a wormplot for a gamlss model or a given vector of normalized quantile residuals, either for all residuals or grouped by age intervals

Value

ggplot object

Parameters derived from Chinese children (additional to nl4.ref)

Description

Parameters derived from Chinese children (additional to nl4.ref)

Usage

zong13.ref

Source

Zong, X.-N., Li, H. Construction of a New Growth References for China Based on Urban Chinese Children: Comparison with the WHO Growth Standards. PLOS ONE 8, e59569 (2013).