表 3.
Comparison of Cobb angle of kyphosis between two groups at pre- and post-operation (°,
)
两组患者手术前后后凸 Cobb 角比较（°，
）
| 组别
Group |
例数
n |
术前
Preoperative |
术后 1 周
One week after operation |
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 the preoperative value, P<0.05;# compared with the value at 3 months after operation, P<0.05 | ||||||
| A | 30 | 15.095±5.384# | 4.833±3.120* | 5.048±3.057* | 5.286±3.085* |
F=79.135
P= 0.000 |
| B | 20 | 20.700±3.498# | 5.900±2.183* | 5.900±2.183* | 5.900±2.183* |
F=179.869
P= 0.000 |
| 统计值
Statistic |
t=–2.991
P= 0.006 |
t=–0.970
P= 0.340 |
t=–0.788
P= 0.437 |
t=–0.564
P= 0.577 |
||