Age groups | Number of patients N | 30-day mortality | Standardized 30-day mortality ∞ (95% CI) | Crude 30-day MRR (95% CI) | Adjusted 30-day MRR# (95% CI) |
---|---|---|---|---|---|
Perforated peptic ulcer | |||||
15–64 | 805 | 8.9% | 8.9% (7.0%–10.9%) | 1 (ref) | 1 (ref) |
65–79 | 743 | 28.5% | 24.2% (20.7%–27.6%) | 3.5 (2.7–4.6) | 2.8 (2.1–3.6) |
80+ | 513 | 46.0% | 44.6% (38.8%–50.5%) | 6.6 (5.1–8.6) | 5.3 (4.1–7.0) |
Bleeding peptic ulcer | |||||
15–64 | 2086 | 4.3% | 4.3% (3.4%–5.2%) | 1 (ref) | 1 (ref) |
65–79 | 2774 | 10.2% | 8.7% (7.6%–9.9%) | 2.4 (1.9–3.1) | 2.2 (1.7–2.8) |
80+ | 2372 | 17.0% | 16.9% (15.0%–18.7%) | 4.2 (3.3–5.3) | 3.7 (2.9–4.7) |