D’silva, Cherishma and Vaishali, K and Venkatesan, Prem (2012) Six-Minute Walk Test-Normal Values of School Children Aged 7–12 Y in India: A Cross-Sectional Study. Indian Journal of Pediatrics, 79 (5). pp. 597-601.

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Abstract

Objective: To establish normal reference standards for six minute walk test of children aged between 7–12 y in India. Methods: Healthy children aged between 7 to 12 y were recruited randomly from the selected schools in India. 400 children were included .Six minute walk test (MWT) was performed according to standardized ATS guidelines. Distance walked in 6 min, Heart rate (HR), Blood pressure (BP), Oxygen saturation, anthropometric measurements and level of dyspnea were taken as outcome measures. Results: Mean distance walked in 6 min was 609±166 m, with significant difference between boys and girls( p<0.001). Boys covered more distance than girls. Heart rate increased from a baseline of 82.73±1.63 to a maximum of 104.32±3.11; heart rate recovery occurred at 5 min in both the genders. SBP increased from baseline 109±2.38 to maximum of 121.86± 1.75 at the end of the test, with no significant increase in DBP which was 68.51±2.21 and 69±2.78 at the end of the test. No significant change in oxygen saturation and dyspnea was observed during the test. Mean oxygen saturation was 97% at baseline, with an immediate drop of 96%.Conclusions: In this study, the mean distance covered in 6 min by boys was 670.74±86.21 m and girls were 548.93±44.78 m.

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