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Characteristics of patients scheduled for single-port surgery (N=24)
| Variable | Value |
|---|---|
| Age (yr) | 50.8±16.8 |
| Sex (male:female) | 19:5 |
| Smoking history (pack-year) | 20.0±20.4 |
| Etiology | |
| Emphysema | 18 |
| Catamenial | 4 |
| Others | 2 |
| Site | |
| Right | 12 |
| Left | 11 |
| Bilateral | 1 |
| Previous episodes of pneumothorax | |
| None | 9 |
| One | 13 |
| Two or more | 2 |
| Follow-up duration (mo) | 16.2±6.8 |
Values are presented as mean±standard deviation or number.
