Table 4 Risk assessment for the occurrence of postoperative complication
Postoperative complication | |||
|---|---|---|---|
(-) | (+) | p value | |
Operation time (min) | |||
All cases | 401.8 ± 79.2(n = 55) | 431.3 ± 67.3(n = 23) | 0.121a |
Drain group (n = 45) | 403.3 ± 88.1(n = 31) | 421.3 ± 76.5(n = 14) | 0.524a |
No-drain group (n = 33) | 399.6 ± 66.7(n = 23) | 444.4 ± 54.2(n = 10) | 0.071a |
Intraoperative blood loss (ml) | |||
All cases | 38.2 ± 51.0(n = 55) | 69.6 ± 104.3(n = 23) | 0.038a |
Drain group (n = 45) | 47.3 ± 55.8(n = 31) | 64.6 ± 69.7(n = 14) | 0.386a |
No-drain group (n = 33) | 25.4 ± 41.2(n = 23) | 76.0 ± 141.4(n = 10) | 0.121a |