Table 2 The comparison of hip function score between two groups of patients before and 6 months after operation (n = 21)
Groups | Harris score of hip joint function | Before the operation | 6 months after the operation | χ2 | P |
|---|---|---|---|---|---|
Operation group (n = 9) | > 70 | 1 | 7 | 4.197 | 0.040 |
≤70 | 8 | 2 | |||
Non-operation group (n = 12) | > 70 | 3 | 1 | 1.200 | 0.273 |
≤ 70 | 9 | 11 |