表 2.
Comparison of JOA scores at different time points before and after operation between the two groups (
)
两组患者手术前后各时间点 JOA 分比较（
）
| 组别
Group |
例数
n |
术前
Preoperative |
术后 3 个月
Postoperative at 3 months |
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 |
| 试验组
Trial group |
34 | 13.9±1.7 | 22.7±1.5 | 24.2±1.7 | 24.8±1.4 | 25.3±2.3 |
F=238.564
P= 0.000 |
| 对照组
Control group |
32 | 14.4±1.5 | 21.9±1.4 | 23.5±1.7 | 24.3±1.7 | 23.8±3.0 |
F=176.683
P= 0.000 |
| 统计值
Statistic |
t=1.284
P=0.204 |
t=2.095
P=0.040 |
t=1.674
P=0.099 |
t=1.271
P=0.208 |
t=2.259
P=0.027 |