Table 4 Multivariate logistic regression models for the risk of perineal wound complications
Variable | n (%) | OR(95%CI) | p | |
|---|---|---|---|---|
Absent (n = 148) | Present (n = 66) | |||
Preoperative haemoglobin level (g/dl) | ||||
 ≥ 11 | 137(93.8) | 53(82.8) | Ref |  |
 < 11 | 9(6.2) | 11(17.2) | 3.776 (1.380–10.355) | 0.010 |
Operation duration (min) | ||||
 ≤ 180 | 84(56.8) | 23(34.8) | Ref |  |
 > 180 | 64(43.2) | 43(65.2) | 2.486 (1.287–4.804) | 0.007 |
Hypertension | ||||
 No | 117(79.1) | 43(65.2) | Ref |  |
 Yes | 31(20.9) | 23(34.8) | 1.962 (0.958–4.019) | 0.065 |
Blood transfusion | ||||
 No | 137(92.6) | 54(81.8) | Ref |  |
 Yes | 11(7.4) | 12(18.2) | 1.702 (0.577–5.022) | 0.336 |
Time interval between NCRT and APR (weeks) | ||||
 ≤ 8 | 76(51.4) | 22(33.3) | Ref |  |
 > 8 | 72(48.6) | 44(66.7) | 2.400 (1.237–4.656) | 0.010 |
Irradiation of IRF | ||||
 No | 94(63.5) | 30(45.5) | Ref |  |
 Yes | 54(36.5) | 36(54.5) | 2.892 (1.490–5.615) | 0.002 |