表 3.
Comparison of posterior convex Cobb angle between groups before and after operation (°,
)
两组手术前后各时间点伤椎后凸 Cobb 角比较（°，
）
| 组别
Group |
例数
n |
术前
Preoperative |
术后 3 d
Three days after operation |
术后 6 个月
Six months after operation |
统计值
Statistic |
|
*与术前比较 P<0.05，#与术后 3 d 比较P<0.05
*Compared with preoperative value, P<0.05;#compared with the value at 3 days after operation, P<0.05 | |||||
| 对照组
Control group |
22 | 21.56±7.33# | 10.36±3.42* | 10.18±2.15* |
F=21.672
P= 0.000 |
| 试验组
Trial group |
26 | 22.17±8.15# | 9.88±4.06* | 9.98±3.87* |
F=35.216
P= 0.000 |
| 统计值
Statistic |
t=0.676
P=0.500 |
t=1.612
P=0.105 |
t=1.733
P=0.086 |
||