Characteristics of study patients and initial risk class
| Data are presented as number (%). | |
| No of patients | 1424 |
| Sex (M/F) | 952/472 |
| Nursing home resident | 62 (4.3%) |
| Smoker | 351 (24.6%) |
| Alcohol intake | 189 (13.2%) |
| Drug user | 26 (1.7%) |
| Previous antibiotic treatment | 436 (30.6%) |
| Co-morbidity | 1090 (76.5%) |
| COPD | 325 (22.8%) |
| Asthma | 104 (7.3%) |
| Solid non-pulmonary neoplasm | 86 (6%) |
| Pulmonary neoplasm | 13 (0.9%) |
| Haematological neoplasm | 24 (1.6%) |
| Heart disease | 440 (30.1%) |
| Diabetes | 261 (18.2%) |
| Renal disease | 102 (7.2%) |
| Neurological disease | 207 (14.5%) |
| Digestive disorder | 37 (2.6%) |
| Liver disease | 87 (6.1%) |
| Fine risk class | |
| I | 155 (10.9%) |
| II | 273 (19.2%) |
| III | 372 (26.1%) |
| IV | 460 (32.3%) |
| V | 164 (11.5%) |