| Criteria | Point Value |
|---|---|
| Age >50 years | 5 |
| Female sex | 5 |
| Organ failure | 7 |
| Malignancy | 4 |
| Origin of sepsis not colonic | 4 |
| Diffuse generalized peritonitis | 6 |
| Preoperative duration of peritonitis >24 h | 4 |
| Intraperitoneal exudates | |
| Clear | 0 |
| Cloudy, purulent | 6 |
| Fecal | 12 |
Organ failure: Kidney failure: Cratinine level > 177 mmol/L or urea level > 167 mmol/L or oliguria < 20 mL/h; pulmonary insufficiency: PO2 < 50 mmHg or PCO2 > 50 mmHg; intestinal obstruction/paralysis > 24 h or complete mechanical ileus; shock hypodynamic or hyperdynamic.
Patients who had scored more than 29 were deemed to be at high risk for mortality
