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Patient characteristics
| Adenocarcinoma | Squamous cell carcinoma | ||
|---|---|---|---|
| Age | |||
| Male | 64.2 ± 8.5 (n = 41) | 66.0 ± 8.1 (n = 73) | |
| Female | 59.2 ± 10.8 (n = 34) | 67.7 ± 10.0 (n = 6) | |
| Smoking habit | |||
| Never | 35 (46.7%) | 7 (8.9%) | |
| Smoker | 40 (53.3%) | 72 (91.1%) | |
| Stage | |||
| Stage I + II | 14 (18.7%) | 12 (15.2%) | |
| Stage III + IV | 61 (81.3%) | 67 (84.8%) | |
| T stage | |||
| 1 | 12 (16.0%) | 4 (5.1%) | |
| 2 | 2 (2.7%) | 8 (10.1%) | |
| 3 | 19 (25.3%) | 43 (54.4%) | |
| 4 | 42 (56.0%) | 24 (30.4%) |
