Table 4. Main causes of pneumonia in children and adolescents who visited Emergency Departments in 2012.
| Cause of pneumonia | Value |
|---|---|
| Viral pneumonia | 11,146 (29.0) |
| Influenza virus pneumonia (per total viral pneumonia, %) | 8,819 (77.3) |
| RSV pneumonia (per total viral pneumonia, %) | 865 (7.6) |
| Parainfluenza virus pneumonia (per total viral pneumonia, %) | 235 (2.1) |
| Adenovirus pneumonia (per total viral pneumonia, %) | 70 (0.6) |
| Metapneumovirus pneumonia (per total viral pneumonia, %) | 69 (0.6) |
| Bacterial pneumonia | 2,039 (5.3) |
| Mycoplasmal pneumonia | 1,732 (4.5) |
| Aspiration pneumonia | 490 (1.3) |
| Pulmonary tuberculosis | 173 (0.5) |
| Etc. (Interstitial pneumonia, Pneumocystis carinii, Loffler's interstitial pneumonia) | 61 (0.1) |
| Unspecified pneumonia | 22,774 (59.3) |
| Total | 38,415 (100) |
Values are presented as number of patients (%).
RSV, respiratory syncytial virus.