| Stable disease group (n = 17) | Active disease group (n = 32) | P |
---|---|---|---|
Preoperative VAS | 5.34 ± 1.72 | 6.30 ± 2.08 | 0.110 |
Postoperative VAS | 2.34 ± 1.53 | 2.51 ± 1.69 | 0.724 |
Preoperative ROM | |||
 Hip ankylosis | 13 (76%) | 25 (78%) | 0.582†|
 The rest ROM in flexion(°) | 33.75 ± 7.5 | 39.36 ± 6.82 | N |
 The rest ROM in extension(°) | 8.75 ± 4.78 | 9.71 ± 2.98 | N |
Postoperative ROM | |||
 ROM in flexion(°) | 79.41 ± 12.85 | 81.41 ± 12.52 | 0.601 |
 ROM in extension(°) | 14.71 ± 3.29 | 14.38 ± 4.35 | 0.785 |
 Preoperative HHS | 32.90 ± 7.98 | 29.59 ± 8.96 | 0.208 |
 Postoperative HHS | 88.68 ± 3.62 | 88.03 ± 4.39 | 0.604 |