Table 3.
Comparisons of cases with community-acquired pneumonia based on different etiology.
| Characteristic | S. pneumoniae (n = 326) | M. pneumoniae (n = 233) | Virus alone (n = 180) | P value |
|---|---|---|---|---|
| Age (years), median (range) | 4.2 (0–17.7) | 6.8 (0.5–17.9) | 3.9 (0.2–17.6) | <0.001 |
| Male | 172 (52.89) | 91 (46.2) | 81 (45) | 0.2 |
| Fever | 282 (86.5) | 156 (79.2) | 149 (82.8) | 0.09 |
| Cough | 315 (96.6) | 193 (98) | 171 (95) | 0.3 |
| Abdominal pain | 217 (66.6) | 141 (71.6) | 117 (65) | 0.3 |
| Mean white blood cell count (x103/uL) | 15.1 ± 5.9 | 8.9 ± 3.9 | 11 ± 5.6 | <0.001 |
| Hemoglobin level, g/dL | 10.5 ± 4.6 | 11.9 ± 1.3 | 11.4 ± 1.5 | <0.001 |
| Mean CRP, mg/dL | 22 2 ± 12.4 | 7.9 ± 7.9 | 11 ± 11 | <0.001 |
| CRP> 4 | 299 (91.7) | 115 (58.4) | 57 (68.3) | <0.001 |
| CRP>10 | 267 (81.9) | 55 (27.9) | 78 (43.3) | <0.001 |
| Chest radiograph | ||||
| Sublobar | 49 (15) | 142 (27.9) | 73 (40.6) | <0.001 |
| lobar | 134 (41.1) | 123 (62.4) | 79 (43.9) | <0.001 |
| With pleural effusion | 51 (15.6) | 17 (8.6) | 23 (12.8) | 0.07 |
| Complicated pneumonia | 89 (27.3) | 2 (1.0) | 5 (2.8) | <0.001 |