Variable | cases (%) |
---|---|
Age (mean ± s.d.*) | 65.1 ± 10.2 |
Gender | Â |
   Male | 52 (42.6) |
   Female | 70 (57.4) |
Smoking status | Â |
   Smoking | 81 (66.4) |
   Never-smoking | 41 (33.6) |
Tumor types | Â |
   Adenocarcinoma | 72 (59.0) |
   Squamous cell carcinoma | 22 (18.0) |
   Bronchioloalveolar carcinoma | 15 (12.3) |
   Adenosquamous carcinoma | 9 (7.4) |
   Large cell carcinoma | 2 (1.6) |
   Carcinoid | 1 (0.8) |
   Neuroendocrine | 1 (0.8) |
Tumor stage | Â |
   I | 54 (44.3) |
   II | 24 (19.7) |
   III | 19 (15.6) |
   IV | 11 (9.0) |
   Unknown | 14 (11.5) |