表 4.

Comparison of operative segment ROM between ASD group and non-ASD group at different time points after operation (°, )

ASD 组和无 ASD 组患者术后各时间点手术节段 ROM 比较（°， ）

组别 Group	术后 1 周 Postoperative at 1 week	术后 6 个月 Postoperative at 6 months	术后 1 年 Postoperative at 1 year	术后 2 年 Postoperative at 2 years	术后 5 年 Postoperative at 5 years	术后 10 年 Postoperative at 10 years	末次随访 Last follow-up
ASD 组 ASD group	6.85±1.98	7.90±3.99	7.87±3.92	7.17±4.07	7.86±4.08	7.19±3.80	7.05±4.08
无 ASD 组 Non-ASD group	8.60±3.62	9.47±5.77	9.07±4.80	9.34±4.58	9.12±3.41	8.25±3.08	7.87±2.86
统计值 Statistic	t=–1.391 P= 0.143	t=0.406 P=0.686	t=0.895 P=0.375	t=1.349 P=0.154	t=0.646 P=0.279	t=1.316 P=0.193	t=0.248 P=0.621