| N =129 | (%) |
---|---|---|
Median age (years) | 70 | Â |
    (range) | (38–92) |  |
Gender | Â | Â |
    Male | 111 | 86 |
    Female | 18 | 14 |
Smoker | Â | Â |
    Never | 3 | 2 |
    Light (pack-year <30) | 12 | 9 |
    Heavy (pack-year ≥30) | 114 | 89 |
Histology | Â | Â |
    Squamous | 123 | 95 |
    Adenosquamous | 6 | 5 |
Differentiation | Â | Â |
    Well | 13 | 10 |
    Moderately | 69 | 53 |
    Poorly | 35 | 27 |
    Unknown | 6 | 5 |
Stage | Â | Â |
    I | 33 | 26 |
    II | 38 | 29 |
    III | 34 | 26 |
    IV | 24 | 19 |