Table 2. Long-term results and postoperative risk behavior in follow-up group.
| All pts with follow-up | Pts with PNTX recurrence | Pts without PNTX recurrence | p | |
|---|---|---|---|---|
| n | 279 | 10 | 269 | |
| Age, y, mean (SD) | 36.7 (15.2) | 31.1 (18.8) | 36.9 (15.1) | 0.34 |
| Female sex, n (%) | 86 (30.8) | 4 (40.0) | 82 (30.5) | 0.50 |
| BMI, mean (SD) | 23.4 (4.2) | 20.5 (2.4) | 23.5 (4.2) | 0.03* |
| Disease characteristics | ||||
| First manifestation PNTX, n (%) | 62 (22.2) | 1 (10.0) | 61 (22.7) | 0.47 |
| Number of recurrences of recurrent PNTX, mean (SD) | 1.7 (0.9) | 1.7 (0.9) | 1.5 (0.8) | 0.52 |
| In-hospital treatment results | ||||
| Perioperative complications, n (%) | 25 (9.0) | 1 (10.0) | 24 (8.9) | >0.99 |
| Postoperative hospital stay, d, mean (SD) | 10.7 (5.3) | 9.2 (3.3) | 10.7 (5.3) | 0.81 |
| Risk behaviors | ||||
| Smokers, n (%) | 78 (28.0) | 4 (40.0) | 74 (27.5) | 0.47 |
| No of cigarettes/d if smoker, mean (SD) | 15.3 (7.4) | 11.3 (7.5) | 15.5 (7.4) | 0.72 |
| Air travels n (%) | 166 (59.5) | 5 (50.0) | 161 (59.9) | 0.53 |
| Scuba diving n (%) | 2 (0.7) | 0 | 2 (0.7) | >0.99 |
| Follow-up results | ||||
| Postoperative sequelae | ||||
| Recurrence n (%) | 10 (3.6) | 10 (100) | 0 | - |
| Chest wall pain n (%) | 130 (46.6) | 6 (60.0) | 124 (46.1) | 0.52 |
| Dyspnea n (%) | 85 (30.5) | 5 (50.0) | 80 (29.7) | 0.17 |
| Workaday restrictions n (%) | 49 (17.6) | 3 (30.0) | 46 (17.1) | 0.39 |
*Statistically significant. PNTX: pneumothorax; Pts: patients; BMI: body mass index; SD: standard deviation