Table 4.
Risk factors associated with morbidity of organ/space surgical site infection
| 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 | ||
| 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 | ||
| Drug resistant pathogen in preoperative bile culture | Positive/negative | 4/22 | 7/36 | 0.92 | ||
Abbreviations: PDAC pancreatic adenocarcinoma, oSSI organ/space surgical site infection, CI confident interval