eTable 1. Patient characteristics.
| CT group (n = 37) | NCT group (n = 37) | P*1 | |
| Age (years) | 67.4 ± 11.3 | 63 ± 11.5 | 0.095 |
| Sex (M : W) | 21:16 | 25:12 | 0.341 |
| Height (cm) | 170 ± 9 | 172 ± 9 | 0.294 |
| Weight (kg) | 76.9 ± 15.5 | 83.7 ± 13.9 | 0.088 |
| Karnofsky Index (%) | 86.5 ± 7.7 | 90 ± 8.8 | 0.062 |
| ASA (n) | 0.108*2 | ||
| I | 3 (8) | 2 (5) | |
| II | 10 (27) | 19 (51) | |
| III | 24 (65) | 15 (41) | |
| IV | 0 | 1 (3) | |
| COPD (n) | 8 (22) | 5 (14) | 0.655 *2 |
| I | 3 | 2 | |
| II | 5 | 3 | |
| Diabetes mellitus (n) | 5 (14) | 7 (19) | 0.531 |
| Chronic renal insufficiency (n) | 4 (11) | 2 (5) | 0.398 |
Mean ± standard deviation or number (%),
*1Mann-Whitney U test, with exceptions
*2Chi-squared test
ASA, American Society of Anesthesiologists; COPD, chronic obstructive lung disease (according to Gold); CT, chest tube; M, men
NCT, non–chest tube; W, women