Clinical condition at the admission | |
• Severe sepsis (acute organ dysfunction) at the admission | 3 score |
• Septic shock (acute circulatory failure characterized by persistent arterial hypotension. It always requires vasopressor agents) at the admission | 5 score |
Setting of acquisition | |
• Healthcare associated infection | 2 score |
Origin of the IAIs | |
• Colonic non-diverticular perforation peritonitis | 2 score |
• Small bowel perforation peritonitis | 3 score |
• Diverticular diffuse peritonitis | 2 score |
• Post-operative diffuse peritonitis | 2 score |
Delay in source control | |
• Delayed initial intervention [Preoperative duration of peritonitis (localized or diffuse) > 24 h)] | 3 score |
Risk factors | |
• Age>70 | 2 score |
• Immunosuppression (chronic glucocorticoids, immunosuppresant agents, chemotherapy, lymphatic diseases, virus) | 3 score |