Table 4.
PROM change scores from preoperatively to 12 months postoperatively, adjusted by baseline values
| Instruments | Women | Men | p value | Difference | 95% CI | |||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Lower | Upper | |||
| OHS | 17.4 | 0.6 | 17.5 | 0.6 | 0.958 | 0.0 | −1.7 | 1.7 |
| WOMAC pain | 44.7 | 1.1 | 43.0 | 1.1 | 0.255 | 1.7 | −1.2 | 4.7 |
| WOMAC stiffness | 40.0 | 1.4 | 38.6 | 1.4 | 0.443 | 1.5 | −2.3 | 5.3 |
| WOMAC function | 40.6 | 1.1 | 39.8 | 1.1 | 0.615 | 0.8 | −2.3 | 3.9 |
| WOMAC total score | 41.2 | 1.0 | 40.2 | 1.1 | 0.501 | 1.0 | −2.0 | 4.0 |
PROM = patient-reported outcome measure; CI = confidence interval; OHS = Oxford Hip Score.