From: Natural air leak test without submergence for spontaneous pneumothorax
Characteristic | Total | New | % | Classical | p-value |
---|---|---|---|---|---|
Approach | Â | Â | Â | Â | Â |
   VATS | 189 | 32 | 16.9 | 157 |  |
   thoracotomy | 25 | 3 | 12.0 | 22 | 0.531 |
Covering | Â | Â | Â | Â | Â |
   Use | 173 | 28 | 16.2 | 145 |  |
   Non-use | 41 | 7 | 17.1 | 34 | 0.890 |
Surgeon | Â | Â | Â | Â | Â |
   Consultant | 103 | 13 | 12.6 | 90 |  |
   Trainee | 111 | 22 | 19.8 | 89 | 0.155 |
Operation time (min) | Â | 99.4 (40-315) | Â | 130.2 (35-285) | 0.046 |