Antonio Carrascosa1, Diego Yeste2, Antonio Moreno-Galdó3, Miquel Gussinyé4, Ángel Ferrández5, María Clemente2, Mónica Fernández-Cancio2. 1. Servicio de Endocrinología Pediátrica, Hospital Universitario Materno-Infantil Vall d'Hebron. Universidad Autónoma de Barcelona, Vall d'Hebron (Barcelona), España; CIBER de Enfermedades Raras (CIBERER) ISCIII. Electronic address: ancarrascosa@vhebron.net. 2. Servicio de Endocrinología Pediátrica, Hospital Universitario Materno-Infantil Vall d'Hebron. Universidad Autónoma de Barcelona, Vall d'Hebron (Barcelona), España; CIBER de Enfermedades Raras (CIBERER) ISCIII. 3. CIBER de Enfermedades Raras (CIBERER) ISCIII; Sección de Neumología Pediátrica, Hospital Universitario Materno-Infantil Vall d'Hebron. Universidad Autónoma de Barcelona, Vall d'Hebron (Barcelona), España. 4. Servicio de Endocrinología Pediátrica, Hospital Universitario Materno-Infantil Vall d'Hebron. Universidad Autónoma de Barcelona, Vall d'Hebron (Barcelona), España. 5. Centro Andrea Prader, Zaragoza, España.
Abstract
INTRODUCTION: Body mass index-for age (BMI) and tri-ponderal mass index-for-age (TMI) values of healthy non-underweight, non-obese millennial children have not been reported until now. We aimed to obtain these values. SUBJECTS AND METHODS: Longitudinal growth study (1995-2017) of 1,453 healthy non-underweight, non-obese millennial children, from birth (n = 477) or from 4 years of age (n = 976) to 18 years in girls and 19 years in boys (25,851 anthropometric measurements). RESULTS: In each sex, mean BMI-for-age values increased from birth to one year, declined until 5and increased from then onwards. Mean TMI-for-age values decreased abruptly during the first 6years of age and slowly thereafter, in both sexes. Although, at some ages, mean BMI-for age values differed statistically between sexes, differences were scant and of poor clinical significance. The same occurred for TMI-for-age values. BMI-for-age cut-off values to define underweight status (-2 SD) were similar to those proposed by Cole and the WHO for both sexes. However, BMI-for-age cut-off values to define obesity (+2 SD) were lower in both sexes (1.0-5.3) than those proposed by Cole and similar to those proposed by the WHO until 12 in girls and 14 in boys and lower (1.0-4.8) from these ages onwards. CONCLUSIONS: BMI-for-age and TMI-for-age values of healthy non-underweight, non-obese millennial children are provided. No clinically relevant differences were observed between sexes. These values may be used to measure underweight status and obesity in present pediatric populations and to evaluate the relationship between BMI-for-age and TMI-for-age in a clinical setting.
INTRODUCTION: Body mass index-for age (BMI) and tri-ponderal mass index-for-age (TMI) values of healthy non-underweight, non-obese millennial children have not been reported until now. We aimed to obtain these values. SUBJECTS AND METHODS: Longitudinal growth study (1995-2017) of 1,453 healthy non-underweight, non-obese millennial children, from birth (n = 477) or from 4 years of age (n = 976) to 18 years in girls and 19 years in boys (25,851 anthropometric measurements). RESULTS: In each sex, mean BMI-for-age values increased from birth to one year, declined until 5and increased from then onwards. Mean TMI-for-age values decreased abruptly during the first 6years of age and slowly thereafter, in both sexes. Although, at some ages, mean BMI-for age values differed statistically between sexes, differences were scant and of poor clinical significance. The same occurred for TMI-for-age values. BMI-for-age cut-off values to define underweight status (-2 SD) were similar to those proposed by Cole and the WHO for both sexes. However, BMI-for-age cut-off values to define obesity (+2 SD) were lower in both sexes (1.0-5.3) than those proposed by Cole and similar to those proposed by the WHO until 12 in girls and 14 in boys and lower (1.0-4.8) from these ages onwards. CONCLUSIONS: BMI-for-age and TMI-for-age values of healthy non-underweight, non-obese millennial children are provided. No clinically relevant differences were observed between sexes. These values may be used to measure underweight status and obesity in present pediatric populations and to evaluate the relationship between BMI-for-age and TMI-for-age in a clinical setting.
Keywords:
Body mass index; Healthy non-obese millennials children; Healthy non-underweight millennials children; Niños de la generación del milenio sanos no obesos; Niños de la generación del milenio sanos sin malnutrición; Tri-ponderal mass index; Índice de masa corporal; Índice de masa triponderal
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