Table 1. Clinical features and outcomes of 310 patients with viral or non-viral community-acquired pneumonia.
| No. (%) of patients | |||
| Characteristics | Viral Pneumonia (N = 60) | Non-viral Pneumonia (N = 250) | P value |
| Demographic data | |||
| Male sex | 43 (72) | 194 (78) | 0.397 |
| Agea | 67 (±14) | 70 (±11) | 0.106 |
| Underlying diseases | |||
| Diabetes mellitus | 12 (20) | 50 (20) | >0.999 |
| Hypertension | 15 (25) | 77 (31) | 0.433 |
| Cancer | 14 (23) | 45 (18) | 0.362 |
| Chronic obstructive lung disease | 12 (20) | 79 (32) | 0.084 |
| Ischemic heart disease | 7 (12) | 21 (8) | 0.452 |
| Cerebral vascular accident | 2 (3) | 14 (6) | 0.746 |
| Chronic kidney disease | 1 (2) | 13 (5) | 0.319 |
| Symptoms | |||
| Fever | 41 (68) | 152 (61) | 0.373 |
| Cough | 43 (72) | 149 (60) | 0.103 |
| Sputum | 31 (52) | 134 (54) | 0.886 |
| Rhinorrhea | 13 (22) | 23 (9) | 0.012 |
| Dyspnea | 22 (37) | 112 (45) | 0.310 |
| Chest pain | 3 (5) | 26 (10) | 0.228 |
| Diarrhea | 4 (7) | 12 (5) | 0.523 |
| Severity and Outcomes | |||
| CURB-65b | 1.3 (1, 2) | 1.4 (1, 2) | 0.094 |
| PSIb | 97 (68, 116) | 102 (73, 126) | 0.188 |
| ICU admission | 8 (13) | 44 (18) | 0.564 |
| Mechanical ventilation | 10 (17) | 30 (12) | 0.390 |
| 30-day mortality | 10/58 (17) | 38/249 (15) | 0.843 |
| 30-day attributable mortality | 9/58 (16) | 38/249 (15) | >0.999 |
Continuous variables were expressed as means ± SDsa or medians (IQRs)b and were compared by the Student's t testa or Mann-Whitney U testb.
CURB-65: Confusion-Urea-Respiratory-Blood pressure-65 score, PSI: Pneumonia severity index, ICU: Intensive care unit.