Table 5.
Logistic regression analysis of independent risk factors for surgical site infection following gastric surgery
| Gastric surgery risk factors | B | SE | Wald | 95% CI | OR | Sig |
|---|---|---|---|---|---|---|
| Age | −0.005 | 0.009 | 0.238 | 0.977–1.014 | 0.995 | 0.783 |
| Wound class | 0.729 | 0.445 | 2.686 | 0.867–4.960 | 2.074 | 0.101 |
| Duration of surgery | −0.003 | 0.001 | 3.297 | 0.994–1.000 | 0.997 | 0.522 |
| SSI Risk Index | −0.685 | 0.532 | 1.654 | 0.178–1.432 | 0.504 | 0.999 |
| Scope use | 2.765 | 0.430 | 41.273 | 6.831–36.913 | 15.87 | 0.000 |
| Emergency | −0.623 | 0.376 | 2.747 | 0.257–1.120 | 0.536 | 0.536 |
| Constant | 2.931 | 0.918 | 10.192 | 18.74 | 0.001 | |
| Overall percentage | 96.9 | |||||
| Nagelkerke R square | 0.264 | |||||
| Significance of the model | 0.000 | |||||