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Comparison of indexes of operation between 2 groups (
)
患者手术相关评价指标比较（
）
| 组别
Group |
例数
n |
手术时间（min）
Operation time (min) |
术中出血量（mL）
Blood loss (mL) |
术后卧床时间（d）
Bed rest time (d) |
| 联合入路组
AP-approach group |
28 | 303.8±71.8 | 937.5±235.5 | 14.3±2.5 |
| 单纯后路组
P-approach group |
20 | 242.5±51.8 | 620.5±143.5 | 10.3±1.9 |
| 统计值
Statistic |
t=3.252
P=0.002 |
t=5.343
P=0.000 |
t=6.035
P=0.000 |
