Table 1 Summary of characteristics of all enrolled patients with community-acquired pneumonia (n = 610)
| Â | n (%)* |
|---|---|
Symptoms | Â |
   Fever | 455 (74.6) |
   Cough | 582 (95.4) |
   Purulent sputum | 536 (87.9) |
   Rales | 402 (65.9) |
   Leukocytosis > 10 × 109/L | 260 (42.6) |
Modifying factors | Â |
   Exposure to a child in a day care center | 7 (1.2) |
   β-lactam therapy within the past 3 months | 120 (19.7) |
   Broad-spectrum antibiotic therapy for > 7 d in the past two months | 61 (10.0) |
   Corticosteroid therapy (> 10 mg of prednisone per day) | 9 (1.5) |
   Alcoholism | 1 (0.2) |
   History of pneumonia | 79 (13.0) |
Comorbidities | Â |
   Cardiac | 158 (25.9) |
   Pulmonary | 78 (12.8) |
   Diabetes mellitus | 33 (5.4) |
   Central nervous system | 25 (4.1) |
   Renal | 8 (1.3) |
   Hepatic | 7 (1.1) |