Type of surgery | TKA: 320 knees | UKA: 74 knees | p-value |
---|---|---|---|
Knee extension angle (°) | |||
 Preoperative | 8.7 ± 8.3 | 3.6 ± 4.6 | < 0.0001 |
 Postoperative | 0.7 ± 2.3 | 0.3 ± 1.5 | 0.32 |
 p-value | < 0.0001 | < 0.0001 |  |
Knee flexion angle (°) | |||
 Preoperative | 123.5 ± 15.7 | 132.8 ± 11.0 | < 0.0001 |
 Postoperative | 132.8 ± 1.0 | 137.0 ± 8.0 | < 0.0001 |
 p-value | < 0.0001 | < 0.0001 |  |