| Group | Postoperative VAS score (points) | Harris score after operation (points) | ||||||
| 1 month | 3 months | 6 months | 12 months Rear | 1 month | 3 months | 6 months | 12 months Rear | |
| Group A | 8.2 ± 1.8 | 5.2 ± 1.7 | 3.2 ± 1.2 | 2.2 ± 1.1 | 61.0 ± 7.0 | 71 ± 7 | 84 ± 7 | 88 ± 6 |
| Group B | 7.1 ± 1.6 | 4.3 ± 1.8 | 2.1 ± 1.3 | 1.1 ± 0.5 | 81 ± 6 | 86 ± 7 | 90 ± 7 | 91 ± 6 |
| t value | 7.07 | 3.96 | 6.27 | 9.55 | −22.23 | −15.07 | −4.95 | −4.09 |
| p-value | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 |