Physical capacity tasks | 5-min walk | 1-min stair climbing | 50-ft walk | Timed up-and-go GPEwalking | Timed up-and-go GPEchair rise |
---|---|---|---|---|---|
AUCConstruct-specific GPE (95% CI) | 0.68 (0.54 to 0.82) | 0.72 (0.59 to 0.85) | 0.80 (0.67 to 0.93) | 0.74 (0.61 to 0.86) | 0.79 (0.67 to 0.91) |
AUCGeneric GPE (95% CI) | 0.70 (0.58 to 0.82) | 0.70 (0.59 to 0.81) | 0.76 (0.66 to 0.87) | 0.72 (0.67 to 0.91) | 0.72 (0.62 to 0.83) |
Correlation between change score and construct-specific GPE | 0.39 | 0.50 | −0.57 | −0.48 | − 0.53 |
MICabsolute (95% CI) | 45.5 m (8.5 to 62.0) | 20.0 steps (10.5 to 48.0) | −0.6 s (− 0.7 to − 0.2) | −1.3 s (−2.4 to − 0.5) | −1.3 s (− 2.4 to − 0.3) |
 Sensitivity for MICabsolute | 0.63 | 0.63 | 0.73 | 0.67 | 0.73 |
 Specificity for MICabsolute | 0.75 | 0.76 | 0.83 | 0.71 | 0.79 |
Average absolute change from baseline of the physical capacity tasks, mean (SD) | 62.5 m (69.5) | 22 steps (22.4) | −1.3 s (2.5) | −2.0 s (2.9) | −2.0 s (2.9) |
MICrelative (95% CI) | 9.0% (4.5 to 11.8) | 12.5% (7.2 to 48.4) | −6.1% (−7.1 to −3.4) | −17.3% (−29.4 to − 10.2) | − 17.6% (− 20.7 to − 10.2) |
 Sensitivity for MICrelative | 0.69 | 0.70 | 0.76 | 0.73 | 0.79 |
 Specificity for MICrelative | 0.75 | 0.72 | 0.88 | 0.71 | 0.79 |