Table 1.
Patients characteristics.
| Patients characteristics at inclusion in the study | |
|
| |
| Male gender (%) | 56 (18/32) |
| Age (yrs) | 68 ± 9 |
| Current smoker (%) | 37 (12/32) |
| Previous smoker (%) | 53 (17/32) |
| Pack-year | 37 ± 23 |
| Body height (cm) | 169 ± 8 |
| Body weight (kg) | 73 ± 15 |
| FEV1 (ml) | 1851 ± 716 |
| FEV1 (% predicted) | 71.5 ± 20.1 |
| DLCO (% predicted) | 58.8 ± 19.2 |
| PAPs (mmHg) | 30 ± 5 |
| Lesion size (mm) | 16 ± 3 |
|
| |
| Lobar distribution of nodules at initial CT scan | |
|
| |
| Right upper lobe | 8 |
| Middle lobe | 1 |
| Right lower lobe | 8 |
| Left upper lobe | 7 |
| Left lower lobe | 8 |
|
| |
| Malignancy at the end of follow-up | |
|
| |
| Lung adenocarcinoma | 20 |
| Squamous cell cancer | 2 |
| Small cell lung cancer | 2 |
| Metastatic carcinoma | 1 |
Note: data are presented as frequencies or means ± SD. Abbreviations: FEV1 = forced expiration volume in 1 second; DLCO = carbon monoxide diffusing capacity; PAPs = systolic pressure of pulmonary artery.