Parameter | C-WORC subscale (No. items) | |||||
---|---|---|---|---|---|---|
Physical symptom (6) | Sports/ Recreation (4) | Work (4) | Lifestyle (4) | Emotions (3) | Overall scale (21) | |
Construct validity indicated by correlation coefficient r r s (P value) with indicated instruments a,b | ||||||
OSS | 0.774 (<0.001) | 0.787 (<0.001) | 0.732 (<0.001) | 0.672 (<0.001) | 0.242 (0.007) | 0.842 (<0.001) |
SF-36 | ||||||
Physical function | 0.523 (<0.001) | 0.580 (<0.001) | 0.532 (<0.001) | 0.472 (<0.001) | 0.242 (0.007) | 0.568 (<0.001) |
Role physical | 0.514 (<0.001) | 0.598 (<0.001) | 0.622 (<0.001) | 0.532 (<0.001) | 0.144 (0.111) | 0.605 (<0.001) |
Bodily pain | 0.623 (<0.001) | 0.655 (<0.001) | 0.621 (<0.001) | 0.594 (<0.001) | 0.289 (0.001) | 0.663 (<0.001) |
General health | 0.540 (<0.001) | 0.497 (<0.001) | 0.510 (<0.001) | 0.485 (<0.001) | 0.126 (0.165) | 0.579 (<0.001) |
Vitality | 0.180 (0.045) | 0.219 (0.015) | 0.183 (0.042) | 0.181 (0.045) | 0.583 (<0.001) | 0.248 (0.006) |
Social function | 0.286 (0.001) | 0.309 (<0.001) | 0.350 (<0.001) | 0.222 (0.013) | 0.520 (<0.001) | 0.326 (0.001) |
Role emotional | 0.350 (<0.001) | 0.368 (<0.001) | 0.226 (0.011) | 0.275 (0.002) | 0.713 (<0.001) | 0.391 (<0.001) |
Mental health | 0.321 (<0.001) | 0.342 (<0.001) | 0.352 (<0.001) | 0.261 (0.003) | 0.571 (<0.001) | 0.366 (<0.001) |
Test-retest reliability, mean (SD) or ICC value (CI range) b | ||||||
Test score | 40.2 (15.1) | 33.2 (13.6) | 30.9 (15.0) | 38.1 (16.3) | 42.9 (26.6) | 37.1 (13.4) |
Retest score | 40.1 (16.3) | 33.1 (15.7) | 30.7 (17.3) | 38.0 (17.4) | 42.7 (27.0) | 36.9 (15.0) |
Score change | −0.1 (5.9) | −0.1 (7.1) | −0.2 (9.5) | −0.1 (4.7) | −0.2 (8.8) | −0.1 (6.6) |
ICC (95% CI) | 0.930 (0.902–0.951) | 0.885 (0.840–0.918) | 0.828 (0.763–0.866) | 0.961 (0.945–0.973) | 0.946 (0.924–0.962) | 0.893 (0.851–0.924) |
Responsiveness pre-treatment vs 6Â months after arthroscopic treatment, mean (SD) c | ||||||
Pre-treatment score | 40.5 (14.5) | 33.4 (13.0) | 31.2 (14.5) | 38.4 (16.1) | 42.9 (26.5) | 37.3 (16.2) |
Post-treatment score | 73.5 (19.4) | 62.3 (17.2) | 53.9 (21.4) | 69.5 (19.0) | 85.1 (17.1) | 68.5 (19.0) |
Score change | 33.0 (16.6) | 28.9 (15.1) | 22.8 (17.9) | 31.2 (18.6) | 42.2 (27.6) | 31.2 (13.7) |
ES | 2.27 | 2.22 | 1.57 | 1.94 | 1.59 | 1.92 |
SRM | 1.99 | 1.91 | 1.27 | 1.68 | 1.52 | 2.28 |