Table 2 Univariate analysis of patients with complicated intra-abdominal infection comparing patients who survived (n = 4117) and patient who died (n = 416)

Sepsis status

<0.0001

 No sepsis

1914 (46.5 %)

23 (5.5 %)

 Sepsis

1725 (41.9 %)

80 (19.2 %)

 Severe sepsis

404 (9.8 %)

157 (37.7 %)

 Septic shock

74 (1.8 %)

156 (37.5 %)

Healthcare associated infection

433 (10.5 %)

134 (32.2 %)

<0.0001

Source of infection

<0.0001

 Appendicitis

1536 (37.3 %)

17 (4.1 %)

 Cholecystitis

809 (19.7 %)

28 (6.7 %)

 Colonic non diverticular perforation

204 (5 %)

65 (15.6 %)

 Diverticulitis

203 (4.9 %)

31 (7.5 %)

 Gastro-duodenal perforation

431 (10.5 %)

67 (16.2 %)

 PID

50 (1.2 %)

0 (0)

 Postoperative

415 (10.1 %)

86 (20.7 %)

 Small bowel perforation

174 (4.2 %)

69 (16.6 %)

 Post-traumatic

104 (2.5 %)

10 (2.4 %)

 Others

259 (6.3 %)

53 (12.7 %)

Delay in source control

2015 (48.9 %)

341 (82 %)

<0.0001

Median age years (range)

48 (18–97)

79 (18–99)

<0.0001

Immunosuppresion

292 (7.1)

120 (28.8 %)

<0.0001

Sepsis severity score

3 (0–17)

10 (0–17)

<0.0001