Table 1.
Participant Demographics.
| Characteristic | Mean (SD) |
|---|---|
| Age (years) | 46 (12.3) |
| Experience (years) | 12.5 (8.6) |
| Volume of thoracic surgery (cases/week) | 3.4 (1.9) |
| Number of hospitals operating | 2.6 (0.9) |
Abbreviation: SD, standard deviation.
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