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Comparison of operation time, hemoglobin loss, and hospital stay after operation between the two groups (
)
两组手术时间、血红蛋白丢失量及术后住院时间比较（
）
| 组别 Group |
例数 n |
手术时间 （min） Operation time (minutes) |
血红蛋白丢失量（g/L） Hemoglobin loss (g/L) |
术后住院时间 （d） Hospital stay after operation (days) |
| 早期组 Early group |
27 | 171.36±35.35 | 11.35±6.83 | 8.34±1.96 |
| 晚期组 Late group |
28 | 138.86±14.89 | 9.54±3.93 | 7.19±1.56 |
| 统计值 Statistic |
t=5.679 P<0.001 |
t=3.617 P<0.001 |
t=1.764 P=0.016 |
