Table 1. Demographic and clinical data.
| Variable | HCAIa (n = 65) | CAIa (n = 259) | ICPa (n = 21) | |||
|---|---|---|---|---|---|---|
| p vs. HCAI | p vs. HCAI | p vs. CAI | ||||
| Age (years; mean ± SD) | 72.5 ± 15.2 | 62.3 ± 17.5 | <0.001 | 61.0 ± 16.2 | ns | ns |
| Age >75 years [n (%)] | 36 (55.4) | 72 (27.8) | <0.001 | 4 (19.0) | 0.003 | ns |
| Males | 35 (53.8) | 143 (55.2) | ns | 13 (61.9) | ns | ns |
| Days in hospital pre-ICU admission (mean ± SD) | 2.3 ± 8.4 | 0.6 ± 0.9 | ns | 1.0 ± 1.5 | ns | ns |
| Adequate control of infectious foci | 58 (89.2) | 236 (91.1) | ns | 17 (81.0) | ns | ns |
| Site of infection | ||||||
| Stomach | 9 (13.8) | 47 (18.1) | ns | 0 (0.0) | ns | ns |
| Small bowel | 13 (20.0) | 28 (10.8) | ns | 2 (9.5) | ns | ns |
| Biliary tract | 18 (27.7) | 43 (16.6) | ns | 3 (14.3) | ns | ns |
| Appendix | 2 (3.1) | 56 (21.6) | <0.001 | 3 (14.3) | ns | ns |
| Colon | 23 (35.4) | 85 (32.8) | ns | 13 (61.9) | ns | 0.007 |
| Type of infection/process | ||||||
| Generalized peritonitis | 32 (49.2) | 131 (50.6) | ns | 15 (71.4) | ns | ns |
| Localized peritonitis | 15 (23.1) | 83 (32.0) | ns | 3 (14.3) | ns | ns |
| Abscess | 12 (18.5) | 18 (6.9) | 0.004 | 0 (0.0) | ns | ns |
| GIb perforation | 6 (9.2) | 27 (10.4) | ns | 3 (14.3) | ns | ns |
| Negative peritoneal culture | 7 (10.5) | 48 (18.5) | ns | 0 (0.0) | ns | ns |
Demographic and clinical data by type of peritonitis. Data expressed as n (%) except where indicated
aHCAI: Healthcare-associated infection; CAI: Community-associated infection; ICP: Immunocompromised patients
bGI: Gastro-intestinal
ns: non-significant (p>0.01)