Validity analysis | Validity cohort (N = 66) | >  60 years olds (n = 56) |
---|---|---|
SST | ||
 Predicted VO2peak (ml/kg/min): | ||
  average (SD) | 19.5 (5.1) | 19.2 (5.2) |
  range | 10.8–35.5 | 10.8–35.5 |
 Heart rate (bpm): mean (SD) | 141.6 (20.7) | 142.2 (21.2) |
CPET | ||
 Measured VO2peak (ml/kg/min): | ||
  average (SD) | 21.1 (6.5) | 19.8 (5.1) |
  range | 9.9–40.2 | 9.9–32.5 |
 Heart rate (bpm): mean (SD) | 148.7 (15.9) | 147.5 (16.2) |
Pearson correlation | ||
 r | 0.69 | 0.73 |
 P value | < 0.001 | < 0.001 |
 0.95% CI | 0.54–0.80 | 0.58–0.83 |
Paired t-test | ||
 average difference | 1.61 | 0.64 |
 P value | 0.010 | 0.217 |
 0.95% CI | 0.43–3.09 | -0.38–1.66 |
ICC | ||
 ICC | 0.64 | 0.73 |
 P value | < 0.001 | < 0.001 |
 0.95% CI | 0.48–0.77 | 0.58–0.83 |