Table 1.
Preoperative patient characteristics (n=49)
| Characteristic | Value |
|---|---|
| Age (yr) | 68.0 (62.0–75.0) |
| Male sex | 46 (93.9) |
| Smoking | |
| Nonsmoker | 5 (10.2) |
| Ex-smoker | 30 (61.2) |
| Current smoker | 14 (28.6) |
| Smoking (pack-years) | 42.5 (30.0–50.0) |
| FEV1 (% predicted) | 97.0 (88.0–109.0) |
| DLCO (% predicted) | 92.0 (79.0–102.0) |
| Preoperative evaluation | |
| CT | 49 (100.0) |
| PET/CT | 48 (98.0) |
| EBUS-TBNA | 11 (22.4) |
| Brain MRI | 38 (77.6) |
| Clinical T stage | |
| cT1 | 37 (75.5) |
| cT2a | 9 (18.4) |
| cT2b | 3 (6.1) |
| Preoperative biopsy | |
| None | 17 (34.7) |
| SCLC or neuroendocrine carcinoma | 28 (57.1) |
| NSCLC | 3 (6.1) |
| Non-specific | 1 (2.0) |
| Comorbidity | |
| Diabetes mellitus | 11 (22.4) |
| Renal deficiency | 3 (6.1) |
| Underlying lung disease | 10 (20.4) |
| Cardiovascular disease | 22 (44.9) |
| Previous cancer history | 14 (28.6) |
Values are presented as median (interquartile range) or number (%).
FEV1, forced expiratory volume in 1 second; DLCO, carbon monoxide lung diffusion capacity; CT, computed tomography; PET/CT, positron emission tomography-computed tomography; EBUS-TBNA, endobronchial ultrasound-guided transbronchial needle aspiration; MRI, magnetic resonance imaging; SCLC, small cell lung cancer; NSCLC, non-small cell lung cancer.