表 5.

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

HO 组和无 HO 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
HO 组 HO group	−	5.89±1.85	7.04±3.71	6.01±2.60	6.97±3.18	6.03±3.14	6.29±3.53
无 HO 组 Non-HO group	6.74±3.54	8.19±2.86	8.49±3.84	7.90±3.02	8.52±2.42	8.00±3.67	7.45±3.51
统计值 Statistic	−	t=–2.965 P= 0.012	t=–1.329 P= 0.188	t=–2.506 P= 0.032	t=–1.985 P= 0.043	t=–2.507 P= 0.014	t=–1.584 P= 0.117