Table 3 Appraisal of clarity between legacy (original) and rewritten HAQ-DI 1 and PF-10 2 and "performance" and "capability" items
From: Better assessment of physical function: item improvement is neglected but essential
Item group (number completing) | % Unclear (SEc) |
|---|---|
HAQ-DI, Legacy (20) | 5.8 (0.56) |
HAQ-DI, Rewritten (20) | 5.4 (0.68) |
PF-10, Legacy (10) | 12.5 (1.6) |
PF-10, Rewritten initial (10) | 10.8 (1.1) |
PF-10, Rewritten final (2) | 4.5 (1.8) |
Capability ("Are you able...?") (219) | 8.9 (0.43) |
Performance ("Did you...?") (48) | 15.5 (1.2) |