Table IV.
PROM improvement to 1 yr | WTD preoperative mean score (sd) | Not WTD preoperative mean score (sd) | p-value | 95% CI |
---|---|---|---|---|
Hips | n = 248 | n = 1307 | ||
EQ-5D health | 13.3 (29.2) | 8.7 (22.8) | 0.023*† | 0.6 to 8.5 |
EQ-5D pain | 24.8 (37.1) | 24.1 (33.4) | 0.301* | -4.3 to 5.9 |
EQ-5D status | 0.67 (0.3) | 0.35 (0.3) | < 0.001*† | 0.28 to 0.36 |
Oxford Hip Score | 21.6 (11.1) | 19.0 (9.4) | 0.001*† | 1.1 to 4.1 |
Knees | n = 168 | n = 1529 | ||
EQ-5D health | 14.4 (27.6) | 5.9 (22.5) | < 0.001*† | 4.1 to 12.9 |
EQ-5D pain | 23.4 (35.0) | 21.1 (33.1) | 0.407* | -3.1 to 7.6 |
EQ-5D status | 0.58 (0.35) | 0.29 (0.32) | < 0.001*† | 0.24 to 0.34 |
Oxford Knee Score | 16.9 (10.8) | 15.0 (9.3) | 0.031*† | 0.17 to 3.6 |
Unpaired Student’s t-test
Statistically significant
CI, confidence interval; OHS, Oxford Hip Score; EQ-5D, EuroQol five-dimension; OKS, Oxford Knee Score