表 1.
Comparison of VAS score between 2 groups at pre- and post-operation（
）
两组患者手术前后 VAS 评分比较（
）
| 组别 Group |
例数 n |
术前 Preoperative |
术后 3 个月 Three months after operation |
末次随访 Last follow-up |
统计值 Statistic |
|
*与术前比较 P<0.05，#与术后 3 个月比较 P<0.05 * Compared with preoperative value, P<0.05; #compared with the value at 3 months after operation, P<0.05 | |||||
| A | 48 | 6.9±1.5# | 1.2±0.8* | 1.0±0.6* |
F=287.62 P= 0.00 |
| B | 72 | 7.1±1.6# | 1.6±1.0* | 1.1±0.7* |
F=305.31 P= 0.00 |
| 统计值 Statistic |
t=0.56 P=0.58 |
t=2.05 P=0.04 |
t=0.35 P=0.64 |
||