Fig. 1

Fig. 2

Scores of the Abdominal Reoperation Predictive Index (ARPI)
| Criteria | Score |
|---|---|
| Respiratory failure | 2 |
| Renal failure | 2 |
| Alterations in consciousness | 2 |
| Emergency surgery (at initial operation) | 3 |
| Ileus (72 hours after surgery) | 4 |
| Abdominal pain (48 hours after surgery) | 5 |
| Persistent symptoms (4th day after surgery) | 6 |
| Wound infection | 8 |
Scores of the Quick Sequential Organ Failure Assessment (qSOFA)
| Criteria | Scores |
|---|---|
| Systolic blood pressure (≤100 mmHg) | 1 |
| Change in mental status | 1 |
| Respiratory rate (≥22/min) | 1 |