Table 4 Risk factors associated with morbidity of organ/space surgical site infection
From: Significance of bile culture surveillance for postoperative management of pancreatoduodenectomy
Factors | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
oSSI(−) n = 26 | oSSI(+) n = 43 | p value | hazard ratio (95% CI) | p value | ||
Diagnosis | PDAC/others | 20/6 | 20/23 | 0.01 | Â | Â |
Smoking history | (+)/(−) | 4/22 | 13/30 | 0.16 | 32.7 (1.65–647) | 0.02 |
Operative time (min) | ≥ 360/≤ 359 | 13/13 | 32/11 | 0.04 |  |  |
Blood loss (g) | ≥ 400/≤ 399 | 16/10 | 14/29 | 0.02 |  |  |
Pancreatic texture | Soft/hard | 5/21 | 31/11 | < 0.01 | 17.2 (1.77–168) | 0.01 |
Main pancreatic duct diameter (mm) | ≤ 3/≥ 4 | 9/17 | 26/13 | 0.01 |  |  |
Preoperative bile culture | Positive/negative | 10/16 | 18/25 | 0.78 | Â | Â |
Drug resistant pathogen in preoperative bile culture | Positive/negative | 4/22 | 7/36 | 0.92 | Â | Â |