表 1.
Comparison of VAS score between 2 groups before and after 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 |
术后 12 个月
Twelve months after operation |
统计值
Statistic |
|
*与术前比较 P<0.05
*Compared with preoperative value, P<0.05 | |||||
| 试验组
Trial group |
17 | 7.59±2.48 | 4.06±1.30* | 2.18±1.78* |
F=35.088
P= 0.000 |
| 对照组
Control group |
19 | 6.95±2.59 | 5.68±1.38* | 3.05±2.72* |
F=14.066
P= 0.000 |
| 统计值
Statistic |
t=0.756
P=0.455 |
t=–3.633
P= 0.001 |
t=–1.130
P= 0.266 |
||