Probability of bacteraemic CAP
| Risk factors | Protective factors | |||
| Previous antibiotic and pneumococcal vaccine | Previous antibiotic | Pneumococcal vaccine | None | |
| None | 1.3 | 2.2 | 2.5 | 4.3 |
| ICU admission | 2.3 | 3.9 | 4.5 | 7.4 |
| Plus pleuritic pain | 5.0 | 8.2 | 9.4 | 15.1 |
| Plus C-reactive protein ≥21.6 mg·dL−1 | 5.3 | 8.7 | 10.0 | 15.9 |
| Plus pleuritic pain and C-reactive protein ≥21.6 mg·dL−1 | 11.1 | 17.5 | 19.7 | 29.5 |
| Pleuritic pain | 2.8 | 4.8 | 5.5 | 9.0 |
| Plus c-reactive protein ≥21.6 mg·dL−1 | 6.5 | 10.5 | 12.0 | 18.9 |
| C-reactive protein ≥21.6 mg·dL−1 | 3.0 | 5.0 | 5.8 | 9.5 |
Data are presented as %. ICU: intensive care unit.