Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity

Objectives: We aimed to determine the obesity indices that affect 6-min walk test (6-MWT) distance in children and adolescents with obesity and to compare the 6-MWT distance of obese subjects with that of normal-weight subjects.Methods: Obese children and adolescents aged 8–15 years and normal-weigh...

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Main Authors: Kanokporn Udomittipong, Teerapat Thabungkan, Akarin Nimmannit, Prakarn Tovichien, Pawinee Charoensitisup, Khunphon Mahoran
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-12-01
Series:Frontiers in Pediatrics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fped.2021.789290/full
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author Kanokporn Udomittipong
Teerapat Thabungkan
Akarin Nimmannit
Prakarn Tovichien
Pawinee Charoensitisup
Khunphon Mahoran
author_facet Kanokporn Udomittipong
Teerapat Thabungkan
Akarin Nimmannit
Prakarn Tovichien
Pawinee Charoensitisup
Khunphon Mahoran
author_sort Kanokporn Udomittipong
collection DOAJ
description Objectives: We aimed to determine the obesity indices that affect 6-min walk test (6-MWT) distance in children and adolescents with obesity and to compare the 6-MWT distance of obese subjects with that of normal-weight subjects.Methods: Obese children and adolescents aged 8–15 years and normal-weight age- and gender-matched controls were enrolled. All participants performed the 6-MWT; respiratory muscle strength (RMS), including maximal inspiratory pressure and maximal expiratory pressure; and spirometry. Data between groups were compared. In the obesity group, correlation between obesity indices and pulmonary function testing (6-MWT, RMS, and spirometry) was analyzed.Results: The study included 37 obese and 31 normal-weight participants. The following parameters were all significantly lower in the obesity group than in the normal-weight group: 6-MWT distance (472.1 ± 66.2 vs. 513.7 ± 72.9 m; p = 0.02), forced expiratory volume in one second/forced vital capacity (FEV1/FVC) (85.3 ± 6.7 vs. 90.8 ± 4.5%; p < 0.001), forced expiratory flow rate within 25–75% of vital capacity (FEF25−75%) (89.8 ± 23.1 vs. 100.4 ± 17.3 %predicted; p = 0.04), and peak expiratory flow (PEF) (81.2 ± 15 vs. 92.5 ± 19.6 %predicted; p = 0.01). The obesity indices that significantly correlated with 6-MWT distance in obese children and adolescents were waist circumference-to-height ratio (WC/Ht) (r = −0.51; p = 0.001), waist circumference (r = −0.39; p = 0.002), body mass index (BMI) (r = −0.36; p = 0.03), and chest circumference (r = −0.35; p = 0.04). WC/Ht was the only independent predictor of 6-MWT distance by multiple linear regression.Conclusions: Children and adolescents with obesity had a significantly shorter 6-MWT distance compared with normal-weight subjects. WC/Ht was the only independent predictor of 6-MWT distance in the obesity group.
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spelling doaj.art-c044f5c113644df08efb814b73e4cdcf2022-12-21T18:43:56ZengFrontiers Media S.A.Frontiers in Pediatrics2296-23602021-12-01910.3389/fped.2021.789290789290Obesity Indices for Predicting Functional Fitness in Children and Adolescents With ObesityKanokporn Udomittipong0Teerapat Thabungkan1Akarin Nimmannit2Prakarn Tovichien3Pawinee Charoensitisup4Khunphon Mahoran5Division of Pulmonology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDivision of Pulmonology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDivision of Clinical Epidemiology, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDivision of Pulmonology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDivision of Pulmonology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDivision of Pulmonology, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandObjectives: We aimed to determine the obesity indices that affect 6-min walk test (6-MWT) distance in children and adolescents with obesity and to compare the 6-MWT distance of obese subjects with that of normal-weight subjects.Methods: Obese children and adolescents aged 8–15 years and normal-weight age- and gender-matched controls were enrolled. All participants performed the 6-MWT; respiratory muscle strength (RMS), including maximal inspiratory pressure and maximal expiratory pressure; and spirometry. Data between groups were compared. In the obesity group, correlation between obesity indices and pulmonary function testing (6-MWT, RMS, and spirometry) was analyzed.Results: The study included 37 obese and 31 normal-weight participants. The following parameters were all significantly lower in the obesity group than in the normal-weight group: 6-MWT distance (472.1 ± 66.2 vs. 513.7 ± 72.9 m; p = 0.02), forced expiratory volume in one second/forced vital capacity (FEV1/FVC) (85.3 ± 6.7 vs. 90.8 ± 4.5%; p < 0.001), forced expiratory flow rate within 25–75% of vital capacity (FEF25−75%) (89.8 ± 23.1 vs. 100.4 ± 17.3 %predicted; p = 0.04), and peak expiratory flow (PEF) (81.2 ± 15 vs. 92.5 ± 19.6 %predicted; p = 0.01). The obesity indices that significantly correlated with 6-MWT distance in obese children and adolescents were waist circumference-to-height ratio (WC/Ht) (r = −0.51; p = 0.001), waist circumference (r = −0.39; p = 0.002), body mass index (BMI) (r = −0.36; p = 0.03), and chest circumference (r = −0.35; p = 0.04). WC/Ht was the only independent predictor of 6-MWT distance by multiple linear regression.Conclusions: Children and adolescents with obesity had a significantly shorter 6-MWT distance compared with normal-weight subjects. WC/Ht was the only independent predictor of 6-MWT distance in the obesity group.https://www.frontiersin.org/articles/10.3389/fped.2021.789290/fullobesity indicesfunctional fitnesschildrenadolescents6-MWTspirometry
spellingShingle Kanokporn Udomittipong
Teerapat Thabungkan
Akarin Nimmannit
Prakarn Tovichien
Pawinee Charoensitisup
Khunphon Mahoran
Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity
Frontiers in Pediatrics
obesity indices
functional fitness
children
adolescents
6-MWT
spirometry
title Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity
title_full Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity
title_fullStr Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity
title_full_unstemmed Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity
title_short Obesity Indices for Predicting Functional Fitness in Children and Adolescents With Obesity
title_sort obesity indices for predicting functional fitness in children and adolescents with obesity
topic obesity indices
functional fitness
children
adolescents
6-MWT
spirometry
url https://www.frontiersin.org/articles/10.3389/fped.2021.789290/full
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