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Table 1 General characteristics of patients with pneumothorax secondary to GPA
| Clinical features | Results |
|---|---|
| Male/Female (case) | 18(72%)/7(28%) |
| Age(year) | 44 ± 15.7(16~70) |
| Duration (weeks) | 26 ± 51.0(0.83~216) |
| Pneumothorax type (case) | |
| Pneumothorax | 11(44%) |
| hydropneumothorax | 5 (20) |
| empyemaa | 8 (32%) |
| Hemopneumothorax | 1 (4%) |
| Chest Imaging(n) | |
| Nodules (Multi/Single) | 22(88%) |
| Cavity | 21(84%) |
| Pulmonary hemorrhage | 1 (4%) |
| Extrapulmonary manifestations (n) | |
| Fever | 11(44%) |
| Skin lesions (purpura, gangrene, ulcers, etc.) | 7 (28%) |
| Nasal and sinus involvement | 15(60%) |
| Oral ulcers | 5 (20%) |
| Glomerulonephritis and other | 13(52%) |
| Nervous system (facial paralysis, mononeuropathy, etc.) | 6 (24%) |
| Arthralgia/arthritis | 11(44%) |
| Parotid swelling | 2 (8%) |
| Laboratory tests | |
| ANCA-positive(n) | 13/20(65%) |
| Anti-PR3(RU/ml) | 176 ± 145.3(26~411) |
| ESR (mm/h) | 92 ± 31.6(24~145) |
| CRP (mg/dl) | 20 ± 27.4(2.35–90) |
| Pleural drainage(n) | 16 |
| Surgery(n) | 7 (28%) |
| Spontaneous absorption(n) | 4 (16%) |
| Death | 10(40%) |
