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Patient demographics and lesion characteristics
| Variable | Total (n= 314) n (%) |
| Gender | |
| Male | 271 (86.3) |
| Female | 43 (13.7) |
| Emphysema | |
| Present | 200 (63.7) |
| Absent | 114 (36.3) |
| Needle angle | |
| 30-45 ° | 59 (18.8) |
| 75-90° | 255 (81.2) |
| Follow-up time in emergency (hour) (mean ± SD) | 6.41 ± 5.57 |
| Time to thoracostomy (hour) (mean ± SD) | 6.33 ± 9.16 |
| Lesion depth from the pleural surface (mean ± SD) | 27.21 ± 19.41 |
SD: Standard deviation.
