表1 两组术后肛门排气时间、术后病率、术后住院时间比较[n(%)]
Table 1 Comparison of anal exhaust time, postoperative morbidity, and postoperative hospital stay between two groups[n(%)]
组别 | n | 肛门排气时间(h) | 术后病率 | 术后住院时间(d) |
研究组 | 294 | 21.6±2.7 | 28 (9.5) | 6.3±1.1 |
对照组 | 339 | 19.5±2.8 | 34(10.0) | 6.4±1.0 |
t/χ2 | | 3.230 | 0.046 | 1.260 |
P | | 0.042 | 0.831 | 0.162 |