Ponderal index classifies obesity in children and adolescents more accurately than body mass index z-scores

Zaniqueli, Divanei; Oliosa, Polyana Romano; Neves, Felipe Silva; Pani, Virgilia Oliveira; Martins, Caroline Resende; Barbosa, Míriam Carmo Rodrigues; Faria, Eliane Rodrigues de; Alvim, Rafael de Oliveira; Mill, José Geraldo

doi:10.1038/s41390-019-0395-7

Cited by 18 publications

(19 citation statements)

References 30 publications

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“…However, both indices had similar accuracy in estimating percentage of body fat. 29 Thus, we have reasons to believe that TMI and BMIz presented similar discriminatory power for pediatric IR, probably because both indices are equivalent in estimating the fat deposits that are directly associated with insulin resistance. Even so, we strongly recommend the use of TMI by clinicians rather than BMIz, since it is very stable from childhood to youth, 11,29 besides being free of complicate percentile tables.…”

Section: Discussionmentioning

confidence: 99%

“…Hence, TMI clearly shows some advantages over BMIz, because it can be calculated with no concerns on adjustments for age and is more accurate in screening for pediatric obesity. 11,29 In addition, unlike biochemical markers, which always require some cost, besides the need of fasting blood collection, TMI can be used in the absence of invasive laboratory exams, provides instant results and is free of costs. These characteristics make TMI easier to be used by 7.…”

Section: Discussionmentioning

confidence: 99%

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Tri-Ponderal Mass Index Is Useful for Screening Children and Adolescents With Insulin Resistance

Neves

Alvim

Zaniqueli

et al. 2020

Rev. paul. pediatr.

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Objective: To investigate whether tri-ponderal mass index and body mass index Z scores are equivalent for screening children and adolescents with insulin resistance.Methods: Cross-sectional study with 296 children and adolescents enrolled at public schools of Vitória, Espírito Santo, Brazil, aged eight to 14 years. The tri-ponderal mass index was calculated as the ratio between weight and height cubed. The body mass index was calculated as the ratio between weight and height squared. Insulin resistance was defined with the homeostatic model assessment (HOMA-IR).Results: The HOMA-IR was higher in the 4 th quartile of body mass index Z scores and tri-ponderal mass index compared to 1 st and 2 nd quartiles for both girls and boys. The areas under the age-adjusted receiver operating characteristic curves were similar between the indices for girls (body mass index Z scores=0.756; tri-ponderal mass index=0.763) and boys (body mass index Z scores=0.831; tri-ponderal mass index=0.843). In addition, according to the simple linear regression analyses estimations, both body mass index Z scores and tri-ponderal mass index explained a significant fraction of the homeostatic model assessment variability for girls (body mass index Z scores: R 2 =0.269; tri-ponderal mass index: R 2 =0.289; p<0.001) and boys (body mass index Z scores: R 2 =0.175; tri-ponderal mass index: R 2 =0.210; p<0.001). Conclusions: The tri-ponderal mass index and body mass index Z scores were similar to discriminate children and adolescents with Objetivo: Investigar se o índice de massa tri-ponderal e os escores-z do índice de massa corporal são equivalentes na triagem de crianças e adolescentes com resistência à insulina. Métodos: Estudo transversal com 296 crianças e adolescentes matriculados em escolas públicas de Vitória, Espírito Santo, Brasil, com idades entre oito e 14 anos. O índice de massa tri-ponderal foi calculado como a razão entre o peso e a altura ao cubo. O índice de massa corporal foi calculado como a razão entre o peso e a altura ao quadrado. A resistência à insulina foi definida pelo modelo de avaliação da homeostase para resistência à insulina (HOMA-IR).Resultados: O HOMA-IR foi maior no 4 º quartil dos escores-z do índice de massa corporal e do índice de massa tri-ponderal, em relação ao 1 º e 2 º quartis em ambos os sexos. As áreas sob as curvas receiver operating characteristic ajustadas por idade foram semelhantes em meninas (escores-z do índice de massa corporal=0,756; índice de massa tri-ponderal=0,763) e meninos (escores-z do índice de massa corporal=0,831; índice de massa tri-ponderal=0,843). Além disso, de acordo com as estimativas das análises de regressão linear simples, os escores-z do índice de massa corporal e o índice de massa triponderal explicaram uma fração significativa da variabilidade do modelo de avaliação da homeostase para meninas (escores-z do índice de massa corporal: R 2 =0,269; índice de massa tri-ponderal: R 2 =0,289; p<0,001) e meninos (escores-z do índice de massa corporal: R 2 =0,175; índice de massa tri-...

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Tri-Ponderal Mass Index Is Useful for Screening Children and Adolescents With Insulin Resistance

Neves

Alvim

Zaniqueli

et al. 2020

Rev. paul. pediatr.

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“…Patients were grouped by weight status, as defined by BMI z score and ponderal index, 2 measures of weight status endorsed by the World Health Organization. 12 The primary outcome was length of stay (LOS), and secondary outcomes were PICU transfer and PICU LOS.…”

Section: Methodsmentioning

confidence: 99%

“…Because there is no consensus on the best proportionality index proxy for adiposity in infants, we used the World Health Organization child growth standards to derive 2 age-standardized anthropometric measures of adiposity: BMI z score and ponderal index. 13 Ponderal index is calculated as weight (kilograms)/length (meters cubed), 12 compared with BMI, which is calculated as weight (kilograms)/length (meters squared). Ponderal index and BMI z score were examined both continuously and categorically: ponderal index by quartile within the sample and BMI z score by associated percentile (less than the fifth, fifth to 84.99th, 85th-94.99th, and .95th).…”

Section: Independent Variable: Ponderal Index and Bmi Z Scorementioning

confidence: 99%

Increased Adiposity Associated With Increased Length of Stay for Infants With Bronchiolitis

Haag

Goldfarb

Austin

et al. 2020

Hospital Pediatrics

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Excess adiposity upregulates proinflammatory adipokines in infancy that have also been implicated in the pathogenesis of bronchiolitis. The association between excess adiposity and severity of disease in bronchiolitis is unclear. We sought to examine the association between adiposity and length of hospitalization and risk of PICU transfer in children with bronchiolitis. METHODS:We conducted a retrospective cohort study examining infants 24 months and younger hospitalized at an academic children's hospital with bronchiolitis, grouped by weight status (BMI z score and ponderal index). Data were extracted from the medical record, including the following relevant covariates: age, sex, race and/or ethnicity, and International Classification of Diseases, 10th Revision codes. Outcomes included length of stay (LOS) and PICU transfer. We used multiple regression to examine the association between each anthropometric measure and LOS and likelihood of PICU transfer.RESULTS: There were 765 children in the final sample, 599 without a significant comorbidity (eg, prematurity, congenital heart disease). The median LOS was 2.8 days (interquartile range 1.7-4.9 days). LOS increased with increasing ponderal index quartile (P 5 .001). After accounting for age and significant comorbidities, we used multivariable regression to identify a significant association between increasing ponderal index and LOS (P 5 .04) and no association between BMI and LOS. Logistic regression did not reveal an association between either anthropometric measure and PICU transfer. CONCLUSIONS:In this study, we identified an association between a measure of excess adiposity in infants and length of hospitalization for bronchiolitis. Further work is needed to confirm this association, examine potential mechanisms, and account for other potential confounders.

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“…A global obesity epidemic is proven by progressive increases in both the mean BMI and in the prevalence of obesity in youngsters [12,13]. From 1975 to 2016, the rates of obesity for children and adolescents increased from 0.9% to 7.8% [14]. However, because these changes did not occur at the same time in all parts of the world, nor at the same pace [4,15], and also due to the specific physique of Montenegrins [16][17][18], new, hitherto unpublished data from any part Montenegro will be beneficial for further public health research.…”

Section: Introductionmentioning

confidence: 99%

Trajectories of Body Height, Body Weight, BMI, and Nutrition Status from 1979 to 1987: A Measurement-Based Analysis of 8740 Montenegrin Male Adolescents from the Municipality of Berane

Gardašević

Milošević

Bozic

et al. 2021

IJERPH

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This study aimed to consolidate the body height, body weight, BMI, and nutrition status data of the overall young male population from the Municipality of Berane in order to assess the trajectories of those variables from 1979 to 1987. The sample of respondents included 8740 adolescents who were divided into nine groups according to their age. The sample of variables included body height, body weight, body mass index, and nutrition status, which were presented based on a long-established BMI categorization (underweight, normal weight, pre-obese, and obese). The descriptive statistics are expressed as the mean and standard deviation for each variable; the analysis of nutrition status was calculated based on BMI, while LSD post hoc testing with ANOVA was employed to investigate differences between the means. The results indicate that a secular trend is visible regarding body height and body weight, while no trend is visible for the BMI and nutrition status. This study’s contribution is that it provides insight into more recently published data for the studied period and in this municipality, which can significantly aid in following the secular trend throughout Montenegro.

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Ponderal index classifies obesity in children and adolescents more accurately than body mass index z-scores

Cited by 18 publications

References 30 publications

Tri-Ponderal Mass Index Is Useful for Screening Children and Adolescents With Insulin Resistance

Tri-Ponderal Mass Index Is Useful for Screening Children and Adolescents With Insulin Resistance

Increased Adiposity Associated With Increased Length of Stay for Infants With Bronchiolitis

Trajectories of Body Height, Body Weight, BMI, and Nutrition Status from 1979 to 1987: A Measurement-Based Analysis of 8740 Montenegrin Male Adolescents from the Municipality of Berane

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