. 2017 Feb;31(2):215–221. [Article in Chinese] doi: 10.7507/1002-1892.201609084

表 5.

Comparison of ODI between groups at different time points（n=27， Inline graphic ）

3 组患者各时间点 ODI 评分比较（n=27， Inline graphic ）

组别 Group	术前 Preoperative	术后 1 个月 One month after operation	术后 3 个月 Three months after operation	统计值 Statistic
^* 与 A 组比较 P<0.05，^# 与 B 组比较 P<0.05 ^* Compared with group A, P<0.05;^# compared with group B, P<0.05
A	60.6±14.0	18.9±5.3	17.6±4.9	F=183.493 P= 0.000
B	64.4±14.9	17.8±5.0	15.7±4.6	F=247.192 P= 0.000
C	62.7±15.3	25.3±8.5^*#	22.2±5.4^*#	F=124.301 P= 0.000
统计值 Statistic	F=0.462 P=0.632	F=10.751 P= 0.000	F=12.420 P= 0.000