Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado

Background: Body mass index (BMI) is the recommended parameter to assess the nutritional status of subjects aged less than 20 years. However, during puberty the correlation between BMI and fat mass decreases notably. Therefore, the use of BMI for the diagnosis of obesity during puberty may be mislea...

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Autores principales:	Burrows A,Raquel, Díaz S,Nora, Muzzo,Santiago
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2004
Materias:	Body mass index Nutritional status Puberty
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872004001100004
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spelling	oai:scielo:S0034-988720040011000042005-01-12Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzadoBurrows A,RaquelDíaz S,NoraMuzzo,Santiago Body mass index Nutritional status Puberty Background: Body mass index (BMI) is the recommended parameter to assess the nutritional status of subjects aged less than 20 years. However, during puberty the correlation between BMI and fat mass decreases notably. Therefore, the use of BMI for the diagnosis of obesity during puberty may be misleading. Aim: To evaluate the variations of the BMI during puberty according to chronological and biological ages. Material and methods: Descriptive cross sectional study in school age children of elementary and high schools (4,531 males and 5,326 females) representing all socioeconomic strata of 4 regions of Chile. BMI was calculated from weight and height measurements (W/H²) and pubertal development was evaluated according to Tanner stages. The sample selected to evaluate the variations of BMI according to chronological age and pubertal stages consisted in 3,913 females aged 8-14 years and 2,494 males aged 10-16 years. Analyses of variance (F test) and Tukey HSD test were used to compare mean BMI according to chronological and biological ages. Results: The age of onset of puberty (Tanner Stages IB2 and G2) varied greatly, from 8 to 14 years in females and 10 to 16 years in males. Mean BMI in a specific stage of pubertal development did not show significant differences according to age in both sexes. However, there were significant differences (p <0.05) in mean BMI when comparing children of the same chronological age but in different Tanner stages. Per each stage of Tanner development, BMI increased 1.0 or more points among females and 0.6 points among males. Conclusions: During puberty, BMI is associated to biological and not chronological ageinfo:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.132 n.11 20042004-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872004001100004es10.4067/S0034-98872004001100004
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Body mass index Nutritional status Puberty
spellingShingle	Body mass index Nutritional status Puberty Burrows A,Raquel Díaz S,Nora Muzzo,Santiago Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado
description	Background: Body mass index (BMI) is the recommended parameter to assess the nutritional status of subjects aged less than 20 years. However, during puberty the correlation between BMI and fat mass decreases notably. Therefore, the use of BMI for the diagnosis of obesity during puberty may be misleading. Aim: To evaluate the variations of the BMI during puberty according to chronological and biological ages. Material and methods: Descriptive cross sectional study in school age children of elementary and high schools (4,531 males and 5,326 females) representing all socioeconomic strata of 4 regions of Chile. BMI was calculated from weight and height measurements (W/H²) and pubertal development was evaluated according to Tanner stages. The sample selected to evaluate the variations of BMI according to chronological age and pubertal stages consisted in 3,913 females aged 8-14 years and 2,494 males aged 10-16 years. Analyses of variance (F test) and Tukey HSD test were used to compare mean BMI according to chronological and biological ages. Results: The age of onset of puberty (Tanner Stages IB2 and G2) varied greatly, from 8 to 14 years in females and 10 to 16 years in males. Mean BMI in a specific stage of pubertal development did not show significant differences according to age in both sexes. However, there were significant differences (p <0.05) in mean BMI when comparing children of the same chronological age but in different Tanner stages. Per each stage of Tanner development, BMI increased 1.0 or more points among females and 0.6 points among males. Conclusions: During puberty, BMI is associated to biological and not chronological age
author	Burrows A,Raquel Díaz S,Nora Muzzo,Santiago
author_facet	Burrows A,Raquel Díaz S,Nora Muzzo,Santiago
author_sort	Burrows A,Raquel
title	Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado
title_short	Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado
title_full	Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado
title_fullStr	Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado
title_full_unstemmed	Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado
title_sort	variaciones del índice de masa corporal (imc) de acuerdo al grado de desarrollo puberal alcanzado
publisher	Sociedad Médica de Santiago
publishDate	2004
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872004001100004
work_keys_str_mv	AT burrowsaraquel variacionesdelindicedemasacorporalimcdeacuerdoalgradodedesarrollopuberalalcanzado AT diazsnora variacionesdelindicedemasacorporalimcdeacuerdoalgradodedesarrollopuberalalcanzado AT muzzosantiago variacionesdelindicedemasacorporalimcdeacuerdoalgradodedesarrollopuberalalcanzado
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Variaciones del índice de masa corporal (IMC) de acuerdo al grado de desarrollo puberal alcanzado

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