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Comparison of Harris scores before, 3 months and 12 months after surgery between the two groups
| Time | Group A (n = 59) | Group B (n = 80) | T | P |
|---|---|---|---|---|
| Before surgery | 59.5 ± 11.6 | 57.7 ± 9.5 | 1.0046 | 0.3168 |
| 3 Months after surgery | 85.1 ± 7.7 | 77.2 ± 8.3 | 5.7176 | 0.0000 |
| 12 Months after surgery | 81.9 ± 10.2 | 76.4 ± 9.1 | 3.3451 | 0.0011 |
Bold idicates all P values with statistical differences
