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

表 1.

Comparison of the VAS between 2 groups at pre- and post-operation （ Inline graphic ）

手术前后两组VAS评分比较（ 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	7.8±1.3^#	2.4±0.8^*	3.1±1.3^*	F=952.945，P=0.000
SSF+BG	23	8.4±1.4^#	4.1±1.2^*	1.8±0.9^*#	F=709.944，P=0.000
统计值 Statistic		t=–1.747 P= 0.087	t=–5.701 P= 0.000	t=4.008 P=0.000