表 2.
Comparison of ODI between the two groups at different time points (
, %)
两组手术前后各时间点 ODI 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 | 68.06±5.43# | 33.06±6.46* | 17.28±3.79*# |
F=426.560
P=0.000 |
| 长节段组
Long-segment group |
26 | 68.62±7.12# | 34.42±5.79* | 19.12±4.89*# |
F=462.329
P=0.000 |
| 统计值
Statistic |
t=–0.296
P=0.769 |
t=–0.735
P=0.467 |
t=–1.338
P=0.188 |
||