表 3.
Comparison of JOA scores at different time points of pre- and post-operation between the two groups (
)
两组患者手术前后各时间点 JOA 评分比较（
）
| 组别
Group |
例数
n |
术前
Preoperative |
术后 1 周
Postoperative at 1 week |
术后 1 个月
Postoperative at 1 month |
术后 6 个月
Postoperative at 6 months |
术后 12 个月
Postoperative at 12 months |
末次随访
Last follow-up |
统计值
Statistic |
|
*与术前比较 P<0.05
*Compared with preoperative value，P<0.05 | ||||||||
| 改良 TLIF 组
Modified TLIF group |
54 | 14.327±1.833 | 16.646±1.934* | 19.425±1.936* | 21.583±1.919* | 25.220±1.626* | 25.316±1.642* |
F=344.932
P=0.000 |
| PLIF 组
PLIF group |
52 | 14.614±1.808 | 16.303±2.228* | 18.216±2.363* | 20.165±2.227* | 24.909±2.134* | 25.025±2.157* |
F=332.099
P=0.000 |
| 统计值
Statistic |
t=−0.653
P=0.515 |
t=0.669
P=0.505 |
t=2.844
P=0.005 |
t=3.354
P=0.001 |
t=0.828
P=0.410 |
t=0.816
P=0.416 |
||