Table 3.
The factors associated with postoperative early intraabdominal infection.
| Univariate analysis | Multivariate analysis | |||||
| Variables | IAI
(n = 48) |
non-IAI
(n = 85) |
p value | OR | 95% CI | p value |
| Male sex, n (%) | 37 (77.1) | 53 (62.4) | 0.08 | 2.44 | 0.89-6.72 | 0.084 |
| Age, yrs (SD) | 72.1 (7.33) | 66.2 (10.9) | 0.001 | 1.09 | 1.03-1.16 | 0.004 |
| BMI, kg/m2 (SD) | 22.5 (3.54) | 22.3 (3.7) | 0.75 | |||
| DM, n (%) | 9 (18.8) | 28 (32.9) | 0.08 | 0.46 | 0.15-1.36 | 0.16 |
| PBD, n (%) | <0.001 | 2.91 | 1.16-7.33 | 0.023 | ||
| None | 8 (16.7) | 44 (51.8) | ||||
| ERBD | 39 (81.3) | 36 (42.4) | ||||
| PTBD | 1 (2.1) | 5 (5.9) | ||||
| Cholangitis after PBD, n (%) | 18 (37.5) | 14 (16.5) | 0.006 | |||
| Serum albumin, g/dL (SD) | 3.8 (0.46) | 3.8 (0.50) | 0.66 | |||
| Total bilirubin, mg/dL (SD) | 1.28 (1.55) | 0.96 (0.72) | 0.12 | |||
| Prothrombin time, n (%) | 95.3 (13.1) | 100.4 (13.3) | 0.037 | 0.96 | 0.93-1.00 | 0.061 |
| Serum creatinine, mg/dL (SD) | 0.84 (0.55) | 0.75 (0.20) | 0.19 | |||
| Preoperative CRP, mg/dl (SD) | 0.72 (1.68) | 0.43 (0.75) | 0.18 | |||
| Soft pancreas, n (%) | 39 (81.3) | 36 (42.4) | <0.001 | 8.67 | 2.37-31.77 | 0.001 |
| BDC, n (%) | 33 (68.7) | 27 (31.8) | <0.001 | 0.96 | 0.31-2.96 | 0.94 |
| Operation time, min (SD) | 566.8 (152.3) | 526.4 (99.5) | 0.068 | 1.00 | 0.99-1.01 | 0.12 |
| Intraoperative transfusion, n (%) | 11 (22.9) | 10 (11.9) | 0.096 | 0.86 | 0.25-3.00 | 0.81 |
Abbreviations: OR, odds ratio; CI, confidence interval; BMI, body mass index; DM, diabetes mellitus; PBD, Preoperative biliary drainage; ERBD, endoscopic retrograde biliary drainage; PTBD, percutaneous transhepatic biliary drainage; CRP, c reactive protein; BDC, Biliary duct carcinoma; SD, standard deviation.
Continuous variables are reported as means and standard deviation, which were analyzed by Student’s t-test. Categorical variables were analyzed by the chi square test.