Baseline patient characteristics
| PSI = pneumonia severity index; COPD = chronic obstructive pulmonary disease. | |
| Sex | |
| M/F (n) | 45/22 |
| Age (years) | |
| Range | 21–96 |
| Mean (SD) | 56 (17.8) |
| PSI | |
| Range | 20–106 |
| Mean (SD) | 56 (23.4) |
| COPD (n, %) | 15 (22) |
| Smoking (n, %) | 27 (40) |
| Length of hospital stay (days) | |
| Range | 3–20 |
| Mean (SD) | 6.8 (3.6) |