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Comparison of shoulder ROM between pre- and post-operation (n=25, 
, °)
手术前后肩关节活动度比较（n=25，
，°）
| 时间 Time |
前屈 Forward flexion |
外展 Abduction |
外旋 External rotation |
| 术前 Preoperative |
81.20±30.56 | 63.40±21.97 | 26.20±13.01 |
| 末次随访 Last follow-up |
148.80±18.89 | 145.40±21.36 | 53.00±10.10 |
| 统计值 Statistic |
t=−16.391 P<0.001 |
t=−24.180 P<0.001 |
t=−13.015 P<0.001 |
