Table 4.

Final logistic regression model for predictors of postoperative morbidity after appendectomy

	Adjusted OR	95% Confidence Interval
Pregnancy	1.26	(0.87, 1.82)
Age (per five year increase)	1.17	(1.12, 1.22)
Preoperative ascites	2.31	(1.42, 3.76)
Preoperative systemic infection	2.21	(1.88, 2.60)
Diabetes mellitus	1.65	(1.13, 2.41)
Open procedure	1.81	(1.51, 2.16)

OR = odds ratio

Preoperative systemic infection includes 1) preoperative systemic inflammatory response syndrome, 2) preoperative sepsis, or 3) preoperative septic shock