Risk score | Mortality (OR) | Morbidity (OR) |
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1 | 8% (2.4) | 47% (2.9) |
2 | 33% (3.5) | 75% (4.3) |
3 | 38% (7.7) | 77% (4.9) |
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Boey score factors.
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Concomitant severe medical illness.
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Preoperative shock.
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Duration of perforation > 24 hours.
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Score: 0–3 (Each factor scores 1 point if positive).
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Adapted from Lohsiriwat V, Prapasrivorakul S, Lohsiriwat D. Perforated peptic ulcer: clinical presentation, surgical outcomes, and the accuracy of the Boey scoring system in predicting postoperative morbidity and mortality. World J Surg. 2009 Jan;33(1):80–65.