Table 1.
Participant characteristics (n = 20).
| Variable | Mean ± SD | |
|---|---|---|
| Age (year) | 67 ± 10 | |
| BMI (kg m−2) | 26 ± 6 | |
| Smoking (pack/year) | 36 ± 26 | |
| FEV1 (L) | 1.65 ± 0.49 | |
| FEV1 (%pred) | 67 ± 16 | |
| FVC (L) | 2.69 ± 0.72 | |
| FVC (%pred) | 81 ± 11 | |
| FEV1/FVC | 0.63 ± 0.12 | |
| DLCO (ml mmHg−1 min−1) | 13.6 ± 3.4 | |
| DLCO (%pred) | 53 ± 11 | |
| n | % | |
| Gender, male/female | 6/14 | 30/70 |
| Smoking status | ||
| Ex-smoker | 17 | 85 |
| Never smoked | 3 | 15 |
| Type of NSCLC | ||
| Adenocarcinoma | 13 | 65 |
| Squamous cell carcinoma | 6 | 30 |
| Large cell carcinoma | 1 | 5 |
| NSCLC stage | ||
| I | 16 | 80 |
| II | 3 | 15 |
| IIIA | 1 | 5 |
| Type of surgery (lobectomy) | ||
| Open | 9 | 45 |
| VATS | 11 | 55 |
| Adjuvant chemotherapy | 1 | 5 |
BMI: body mass index; DLCO: single-breath diffusing capacity for carbon monoxide; FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; NSCLC: non-small cell lung cancer; SD: standard deviation; VATS: video-assisted thoracoscopic surgery.