Table 1. Patient characteristics.
| Control (N = 11) | Combination therapy (N = 6) | p value | |
|---|---|---|---|
| Age (years) | 69.7 ± 2.3 | 67.7 ± 1.4 | 0.542 |
| Body mass index (kg/m2) | 22.0 ± 0.7 | 21.1 ± 1.3 | 0.268 |
| Male N (%) | 10 (91) | 4 (67) | 0.515 |
| Smoking history | 0.600 | ||
| Never | 4 (36) | 1 (17) | |
| Former | 7 (64) | 5 (83) | |
| Current | 0 (0) | 0 (0) | |
| Pack-years | 31.5 ± 10.2 | 31.8 ± 8.2 | 0.985 |
| ASA performance status | 0.353 | ||
| ≤_2 | 11 (100) | 5 (83) | |
| ≥_3 | 0 (0) | 1 (17) | |
| Tumor location | 0.304 | ||
| Ut | 0 (0) | 0 (0.0) | |
| Mt | 5 (45) | 5 (83) | |
| Lt | 6 (55) | 1 (17) | |
| Tumor stage | 0.171 | ||
| 0/I | 8 (73) | 5 (83) | |
| II | 3 (27) | 0 (0) | |
| III | 0 (0) | 1 (17) | |
| Preoperative chemotherapy | 7 (64) | 2 (33) | 0.335 |
| Lung function | |||
| Obstructive disorder (FEV1.0%<70%) | 1 (9.1) | 0 (0.0) | 1.000 |
| Restrictive disorder (%VC<80%) | 0 (0.0) | 0 (0.0) | 1.000 |
| Unknown | 1 (9.1) | 0 (0.0) | N.A |
Values are expressed as the mean ± standard error of the mean or the number (percent).
ASA: American Society of Anesthesiologists; FEV: forced expiratory volume; N.A: not available; Ut: upper; Mt: middle; Lt: lower