表 1.
Comparision of the clinical scores between pre- and post-operation in 4 groups (
)
各组患者临床评分比较（
）
| 组别
Group |
例数
n |
下腰痛 VAS 评分
VAS scores for lower back pain |
双下肢 VAS 评分
VAS scores for both lower extremities |
|||||||
| 术前
Preoperative |
末次随访
Last follow-up |
统计值
Statistic |
改善值
Recovery |
术前
Preoperative |
末次随访
Last follow-up |
统计值
Statistic |
改善值
Recovery |
|||
| A | 42 | 7.0±2.5 | 2.0±1.6 |
t=10.861
P= 0.000 |
5.0±2.1 | 6.8±1.6 | 1.7±1.3 |
t=6.823
P=0.002 |
5.1±2.0 | |
| B | 40 | 7.2±1.9 | 2.3±1.1 |
t= 9.643
P= 0.000 |
4.9±1.9 | 7.0±1.8 | 1.8±1.2 |
t=6.114
P=0.000 |
5.2±1.9 | |
| C | 43 | 7.0±1.8 | 2.1±1.8 |
t=10.235
P= 0.000 |
4.9±2.2 | 6.7±1.9 | 1.7±1.0 |
t=6.451
P=0.003 |
5.0±2.1 | |
| D | 40 | 7.1±2.0 | 2.1±1.8 |
t=10.235
P= 0.000 |
5.0±2.0 | 6.8±1.5 | 1.8±1.1 |
t=6.451
P=0.003 |
5.0±1.8 | |
| 统计值 Statistic |
F=2.125
P=0.312 |
F=3.176
P=0.064 |
F=2.425
P=0.291 |
F=2.234
P=0.301 |
F=3.155
P=0.070 |
F=2.114
P=0.410 |
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