TABLE 1.
Demographic and clinical data
| Clinical Parameters | |
|---|---|
| Sex | 14 females, 28 males |
| Age | 66.7 ± 10.3 |
| Smoking status | |
| Current smoker | 11 (26.2) |
| Ex-smoker | 28 (66.7) |
| Nonsmoker | 3 (7.1) |
| Smoking, pack-yr | 49 ± 37 |
| Histology | |
| Squamous cell | 17 (40.5) |
| Adenocarcinoma | 16 (38.1) |
| Poorly differentiated non–small cell | 9 (21.4) |
| Grade | |
| Well | 13 (31) |
| Poor | 29 (69) |
| Stage | |
| IA | 9 (21.4) |
| IB | 8 (19) |
| IIB | 9 (21.4) |
| IIIA | 5 (12) |
| IIIB | 6 (14.2) |
| IV | 5 (12) |
| FEV1, %predicted | 71.6 ± 20.5 |
| FVC, %predicted | 82.6 ± 19.3 |
| FEV1/FVC | 75.5 ± 16.7 |
All data are mean ± SD; values in brackets are the percentage of the total population studied.