Table 2 Postoperative outcome measures and the difference relative to preoperative scores for the all patients according to sex
Functional measure | Sex | Difference (95% CI) | P-value* | ||
|---|---|---|---|---|---|
Male (n = 1584) | Female (n = 1926) | ||||
WOMAC | |||||
Pain | One year (SD) | 79.8 (22.5) | 77.8 (24.2) | 2.0 (0.4 to 3.5) | 0.01 |
Change (95% CI) | 41.1 (39.9 to 42.4) | 45.2 (43.9 to 46.4) | 4.0 (2.2 to 5.8) | < 0.001 | |
p-value** | < 0.001 | < 0.001 | |||
Function | One year (SD) | 75.8 (20.6) | 74.2 (21.5) | 1.6 (0.2 to 3.0) | 0.03 |
Change (95% CI) | 35.7 (34.6 to 36.7) | 39.7 (38.7 to 40.6) | 4.0 (2.5 to 5.5) | < 0.001 | |
p-value** | < 0.001 | < 0.001 | |||
Stiffness | One year (SD) | 73.3 (21.8) | 71.6 (23.4) | 1.8 (0.2 to 3.3) | 0.02 |
Change (95% CI) | 31.9 (30.9 to 33.2) | 37.4 (36.2 to 38.5) | 5.5 (3.7 to 7.2) | < 0.001 | |
p-value** | < 0.001 | < 0.001 | |||
Total | One year (SD) | 76.8 (19.5) | 75.3 (20.3) | 1.5 (0.1 to 2.8) | 0.03 |
Change (95% CI) | 36.9 (35.9 to 38.0) | 41.2 (40.3 to 42.2) | 4.3 (2.9 to 5.8) | < 0.001 | |
p-value** | < 0.001 | < 0.001 | |||
SF-12 | |||||
PCS | One year (SD) | 39.4 (11.1) | 37.5 (11.3) | 1.9 (1.2 to 2.7) | < 0.001 |
Change (95% CI) | 10.8 (10.3 to 11.4) | 9.8 (9.3 to 10.3) | 1.1 (0.4 to 1.8) | 0.003 | |
p-value** | < 0.001 | < 0.001 | |||
MCS | One year (SD) | 50.5 (12.7) | 48.2 (13.5) | 2.3 (1.4 to 3.1) | < 0.001 |
Change (95% CI) | 1.8 (1.2 to 2.4) | 2.4 (1.8 to 3.0) | 0.6 (−0.2 to 1.5) | 0.14 | |
p-value** | < 0.001 | < 0.001 | |||