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Triceps and subscapular skinfold thicknesses percentiles and cut-offs for overweight and obesity in a population-based sample of schoolchildren in Bogota, Colombia
Título de la revista
Autores
Lopez Cifuentes, Mario Ferney
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Fecha
2016-08-19
Directores
Ramírez-Vélez, Robinson
Correa Bautista, Jorge Enrique
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Editor
Universidad del Rosario
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Abstract
OBJECTIVES: The aims of this study were to establish a Colombian smoothed centile charts
and LMS tables for tríceps, subscapular and sum tríceps+subscapular skinfolds; appropriate
cut-offs were selected using receiver operating characteristic analysis based in a populationbased
sample of schoolchildren in Bogota, Colombia and to compare them with international
studies.
METHODS: A total of 9 618 children and adolescents attending public schools in Bogota,
Colombia (55.7% girls; age range of 9–17.9 years). Height, weight, body mass index (BMI),
waist circumference, triceps and subscapular skinfold measurements were obtained using
standardized methods. We have calculated tríceps+subscapular skinfold (T+SS) sum.
Smoothed percentile curves for triceps and subscapular skinfold thickness were derived by the
LMS method. Receiver operating characteristics curve (ROC) analyses were used to evaluate
the optimal cut-off point of tríceps, subscapular and sum tríceps+subscapular skinfolds for
overweight and obesity based on the International Obesity Task Force (IOTF) definitions. Data
were compared with international studies.
RESULTS: Subscapular, triceps skinfolds and T+SS were significantly higher in girls than in
boys (P <0.001). The median values for triceps, subscapular as well as T+SS skinfold thickness
increased in a sex-specific pattern with age. The ROC analysis showed that subscapular, triceps
skinfolds and T+SS have a high discrimination power in the identification of overweight and
obesity in the sample population in this study. Based on the raw non-adjusted data, we found
that Colombian boys and girls had high triceps and subscapular skinfolds values than their
counterparts from Spain, UK, German and US.
CONCLUSIONS: Our results provide sex- and age-specific normative reference standards for
the triceps and subscapular skinfold thickness values in a large, population-based sample of
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schoolchildren and adolescents from an Latin-American population. By providing LMS tables
for Latin-American people based on Colombian reference data, we hope to provide quantitative
tools for the study of obesity and its complications.
Palabras clave
Percentile Curves , Children and Adolescents , Obesity , Skinfold Thickness
