表 2.
Comparison of injured vertebral height between 2 groups at pre- and post-operation（n=30，mm，
）
手术前后两组伤椎椎体高度比较（n=30，mm，
）
| 组别
Group |
术前
Preoperative |
术后 2 d
Two days after operation |
术后 1 年
One year after operation |
统计值
Statistic |
|
*与术前比较 P<0.05，# 与术后 2 d 比较 P<0.05
*Compared with preoperative value, P<0.05;#compared with the value at 2 days after operation, P<0.05 | ||||
| 常规组
Routine group |
20.6±4.3# | 29.7±3.2* | 28.4±3.2* |
F=56.161
P = 0.000 |
| 改良组
Improved group |
21.3±3.5# | 30.7±4.0* | 29.0±3.1* |
F=60.074
P = 0.000 |
| 统计值
Statistic |
t =0.650
P=0.518 |
t =1.010
P=0.289 |
t =0.806
P=0.423 |
|