Table 3.

Risk factors for postoperative sepsis in patients with gastrointestinal perforation

Clinical variables	OR	95%CI	P value
Age	1.019	0.966-1.042	0.234
Temperature	2.160	0.998-4.147	0.053
Heart rate	1.047	0.996-1.104	0.071
Mean arterial pressure	0.946	0.349-1.108	0.171
Serum creatinine	0.997	0.987-1.006	0.527
White blood cells	1.037	0.938-1.147	0.479
C-reactive protein	1.006	0.997-1.014	0.245
Ascites	1.316	0.102-14.982	0.996
Diameter of perforation	1.062	1.007-1.121	0.027
Gastric perforation	0.897	0.854-1.175	0.089
Colonic perforation	2.761	1.821-14.776	0.007
Preoperative ASA score	1.273	0.637-2.542	0.494
Time interval from abdominal pain to emergency surgery	1.021	1.055-1.038	0.006
Repair of perforation	0.961	0.247-3.739	0.954
Digestive tract reconstruction1	6.460	0.907-46.007	0.063
Malignant tumor-related perforation	5.384	1.762-32.844	0.021

¹Subtotal gastrectomy + gastrojejunostomy. ASA score: American Society of Anesthesiologists score; GIP: Gastrointestinal perforation; OR: Odds ratio; CI: Confidence interval.