Table 1
Number of risk factors | All patients | Patients aged 60 years or more | ||
|---|---|---|---|---|
| Â | n | Mortality (95% CI) | n | Mortality (95% CI) |
0 | 172 | 1.2 (0.3–5.7) | 91 | 2.2 (0.6–7.7) |
1 | 155 | 4.5 (2.2–9.0) | 103 | 6.8 (3.3–13.4) |
2 | 81 | 6.2 (2.6–13.6) | 46 | 10.9 (4.7–23.0) |
3 or more | 42 | 7.1 (2.5–19.0) | 39 | 7.7 (2.7–20.3) |