Table 5.

Relative risk of death and confidence intervals for patients with generalized peritonitis and septic shock

	Relative risk	95% confidence interval	P
Age > 65 years	1.79	0.64 to 5.01	0.26
Female	1.76	0.66 to 4.69	0.25
SAPS II	1.03	1.00 to 1.06	0.03
Postoperative/community-acquired	0.45	0.17 to 1.20	0.10
≥ 2 germs in peritoneal fluid	0.90	0.32 to 2.56	0.85
Under vs. upper mesocolic	0.72	0.28 to 1.84	0.49
Biliary origin of peritonitis	4.75	1.45 to 15.57	<0.005
Colonic origin of peritonitis	1.22	0.50 to 3.01	0.66
Cancer	1.54	0.62 to 3.83	0.35
Cirrhosis	0.94	0.12 to 7.35	0.95
Hepatic metastasis	0.94	0.12 to 7.35	0.95
Gram-negative bacilli in peritoneal fluid	1.41	0.50 to 3.96	0.51
Escherichia Coli in peritoneal fluid	0.66	0.26 to 1.70	0.39
Gram-positive cocci in peritoneal fluid	0.97	0.38 to 2.48	0.95
Enterococcus in peritoneal fluid	0.84	0.27 to 2.56	0.75
Anaerobes in peritoneal fluid	0.88	0.33 to 2.35	0.81
Bacteremia	1.06	0.91 to 3.01	0.38
Yeasts	1.23	0.40 to 3.75	0.71

Univariate analysis (Log rank test). SAPS = simplified acute physiology score.