Research Article
Primary and Secondary Spontaneous Pneumothorax: Prevalence, Clinical Features, and In-Hospital Mortality
Table 5
Underlying pulmonary diseases in patients with secondary spontaneous pneumothorax (
).
| Disease | (%) |
| Pulmonary emphysema | 195 (73.3) | Interstitial pneumonitis or pulmonary fibrosis | 21 (7.9) | Lung cancer | 20 (7.5) | Infectious disease (pneumonia, pneumomycosis, etc.) | 12 (4.5) | Catamenial pneumothorax | 8 (3.0) | Nontuberculous mycobacterial infection | 7 (2.6) | Birt-Hogg-Dubé syndrome | 4 (1.5) | Obsolete pulmonary tuberculosis | 3 (1.2) | Others | 9 (3.4) |
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