表 2.
Comparison of low back pain VAS score between 2 groups at pre- and post-operation (n=24,
)
两组患者手术前后腰背部 VAS 评分比较（n=24，
）
| 组别
Group |
术前
Preoperative |
术后 3 个月
Three months after operation |
术后 6 个月
Six months after operation |
术后 12 个月
Twelve months after operation |
统计值
Statistic |
|
* 与术前比较 P<0.05，# 与术后 3 个月比较 P<0.05，△ 与术后 6 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;△ compared with the value at 6 months after operation, P<0.05 | |||||
| 试验组
Trial group |
7.1±0.8#△ | 3.7±0.8*△ | 2.1±0.5*# | 1.5±0.5*#△ |
F=324.950
P= 0.000 |
| 对照组
Control group |
7.5±0.6#△ | 4.8±1.0*△ | 3.2±1.0*# | 2.2±0.7*#△ |
F=169.576
P= 0.000 |
| 统计值
Statistic |
t=1.775
P=0.082 |
t=4.217
P=0.000 |
t=4.559
P=0.000 |
t=3.789
P=0.000 |
|