. 2017 Feb;31(2):185–190. [Article in Chinese] doi: 10.7507/1002-1892.201608096

表 3.

Comparison of the kyphotic Cobb angle between 2 groups at pre- and post-operation（°， Inline graphic ）

手术前后两组后凸Cobb角比较（°， Inline graphic ）

组别 Group	例数 n	术前 Preoperative	术后即刻 Immediately after operation	末次随访 Last follow-up	统计值 Statistic
^与术前比较P<0.05，^#与术后即刻比较，P<0.05 ^ Compared with preoperative value, P<0.05;^# compared with the value at immediate postoperatively, P<0.05
SSF+VP	25	30.7±8.8^#	10.4±4.6^*	12.3±3.4^*	F=351.260，P=0.000
SSF+BG	23	27.8±6.9^#	9.7±4.3^*	11.2±3.7^*	F=361.288，P=0.000
统计值 Statistic		t=1.265 P=0.212	t=0.579 P=0.565	t=1.075 P=0.288