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Patient characteristics
| Characteristic | Needle aspiration (N=21) | Closed thoracostomy (N=19) | p-value |
|---|---|---|---|
| Age (yr) | 24.0±10.9 | 24.8±11.5 | 0.83 |
| Sex (male:female) | 20:1 | 17:2 | 0.44 |
| Body mass index (kg/m2) | 20.2±2.8 | 20.7±3.3 | 0.55 |
| Size of pneumothorax (%) | 56.0±23.3 | 65.6±22.1 | 0.23 |
| Affected side (right:left) | 11:10 | 10:9 | 0.57 |
| Current smoker | 5 | 3 | 0.44 |
Values are presented as mean±standard deviation or number.
