Table 3 Equations to predict the 6 minute walk distance in children and adolescents
From: Reference values for the 6-minute walk test in healthy children and adolescents in Switzerland
Model | Age-adjusted | p | + height-, weight-adjusted | p | + vitals and physical activity score (PAS) | p |
|---|---|---|---|---|---|---|
Population | (age in years (y)) | (age in y, height in m, weight in kg) | (heart rate (HR) in bpm, PAS 1-4) | |||
General | 11.89 *y + 486.1 | .000, .000 | 391.9*m -2.41* kg + 140.2 | .000, .000, .000 | 192.69*m + 1.27*exHR + 161.55 | .000, .000, .000 |
Males | 15.36 *y + 456.92 | .000, .000 | 13.40*y -2.16*kg + 196.53*m + 276.92 | .001, .001, .017, .000 | 14.38*y + 1.21*exHR – 2.12*kg + 166.66*m + 146.56 | .000, .000, .001, .037 |
< 13 y | 24.18*y + 385.18 | .000, .000 | As age-adjusted | 28.62*y + 1.26*exHR -2.034*kg + 239.29 | .000, .000, .014, .000, | |
≥13 y | 13.08*y + 476.69 | .031, .000 | As age-adjusted | 1.01*exHR + 13.3*y + 338.25 | .001, .022, .000 | |
Females | 8.623*y + 513.7 | .000, .000 | 372.3*m -2.635*kg + 172.05 | .000, .000, .001 | 152.58*m + 1.38*exHR + 197.97 | .000, .000, .000 |
< 12 y | 20.83*y + 413.94 | .000, .000 | 330.07*m + 153.3 | .000, .000 | 279.5*m + .87*exHR + 102.45 | .000, .000, .024 |
≥ 12 y | -8.66*y + 757.42 | .000, .036 | -1.867 * kg + 734.29 | .001, .000 | 1.79*exHR – 1.28*restHR – 2.55*kg + 203.3*m + 7.83*PAS + 298.6 | .000, .000, .000, .023, .032, .030 |