Comparison of the patients according to the location of lung cancer
| Lung cancer | p-value | ||
| Fibrotic area | Nonfibrotic area | ||
| Subjects n | 23 (37) | 40 (64) | |
| Age yr | 66.5±8.4 | 66.9±7.6 | 0.846 |
| Sex M:F % M | 22:1 (96) | 39:1 (98) | 1.00 |
| Smoker % | 83 | 93 | 0.247 |
| Smoking pack-yrs | 40.5±29.0 | 42.1±17.4 | 0.826 |
| Histology | |||
| Squamous cell | 9 (39) | 13 (33) | 0.645 |
| Adenocarcinoma | 10 (44) | 9 (23) | 0.081 |
| Large cell | 3 (13) | 1 (33) | |
| Not specified | 1 (0) | 4 (10) | |
| Small cell | 0 (0) | 12 (30) | 0.002 |
| Multiple lung cancer | 1 (33) | ||
| Stage | 0.119 | ||
| I | 2 (9) | 4 (15) | |
| II | 0 | 2 (7) | |
| IIIa | 7 (33) | 4 (15) | |
| IIIb | 7 (33) | 12 (44) | |
| IV | 6 (27) | 5 (19) | |
Data presented as n (%) unless otherwise stated
M: male
F: female
mean±sd