Prediction of Maximal Oxygen Uptake by Six-Minute Walk Test and Body Mass Index in Healthy Boys

The Journal of Pediatrics
Majid JaliliKamal Ranjbar

Abstract

To develop an equation to predict maximal oxygen uptake (VO2max) based on the 6-minute walk test (6MWT) and body composition in healthy boys. Direct VO2max, 6-minute walk distance, and anthropometric characteristics were measured in 349 healthy boys (12.49 ± 2.72 years). Multiple regression analysis was used to generate VO2max prediction equations. Cross-validation of the VO2max prediction equations was assessed with predicted residual sum of squares statistics. Pearson correlation was used to assess the correlation between measured and predicted VO2max. Objectively measured VO2max had a significant correlation with demographic and 6MWT characteristics (R = 0.11-0.723, P < .01). Multiple regression analysis revealed the following VO2max prediction equation: VO2max (mL/kg/min) = 12.701 + (0.06 × 6-minute walk distance m) - (0.732 × body mass indexkg/m2) (R2 = 0.79, standard error of the estimate [SEE] = 2.91 mL/kg/min, %SEE = 6.9%). There was strong correlation between measured and predicted VO2max (r = 0.875, P < .001). Cross-validation revealed minimal shrinkage (R2p = 0.78 and predicted residual sum of squares SEE = 2.99 mL/kg/min). This study provides a relatively accurate and convenient VO2max prediction equation based on t...Continue Reading

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Citations

Aug 9, 2019·Disability and Rehabilitation·Cemile Bozdemir OzelAslihan Cakmak
Feb 12, 2020·Disability and Rehabilitation·Jennifer LabontéDaniel Curnier
Jul 24, 2020·European Respiratory Review : an Official Journal of the European Respiratory Society·Astrid Madsen RingFrederik Buchvald
Apr 8, 2020·Acta Paediatrica·Emna MakniMohamed Elloumi
Apr 4, 2021·International Journal of Environmental Research and Public Health·Jaime Vásquez-GómezMarcelo Castillo-Retamal

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