表 1.
Comparison of VAS scores between the two groups at different time points (
)
两组手术前后各时间点 VAS 评分比较（
）
| 组别
Group |
例数
n |
术前
Preoperative |
术后 1 周
One week after operation |
末次随访
Last follow-up |
统计值
Statistic |
|
*与术前比较 P<0.05，#与术后 1 周比较 P<0.05
*Compared with preoperative value, P<0.05;#compared with the value at 1 week after operation, P<0.05 | |||||
| 短节段组
Short-segment group |
18 | 7.28±1.02# | 3.66±0.69* | 1.44±0.78*# |
F=220.686
P=0.000 |
| 长节段组
Long-segment group |
26 | 7.19±1.02# | 3.50±0.91* | 1.38±0.85*# |
F=260.419
P=0.000 |
| 统计值
Statistic |
t=0.273
P=0.786 |
t=0.660
P=0.513 |
t=0.236
P=0.814 |
||