| Genomic alterations | p value | |
---|---|---|---|
(+) | (-) | ||
Age | Â | Â | 0.027 |
    ≤70 years | 33 | 35 |  |
    >70 years | 18 | 48 |  |
Gender | Â | Â | N.S. |
    Male | 44 | 67 |  |
    Female | 7 | 11 |  |
Smoker | Â | Â | 0.035 |
    Never | 3 | 10 |  |
    Light (pack-year <30) | 3 | 9 |  |
    Heavy (pack-year ≥30) | 45 | 69 |  |
Histology | Â | Â | N.S. |
    Squamous | 49 | 74 |  |
    Adenosquamous | 2 | 4 |  |
Differentiation | Â | Â | N.S. |
    Well | 5 | 8 |  |
    Moderately | 27 | 42 |  |
    Poorly | 15 | 20 |  |
    Unknown | 2 | 4 |  |
Stage | Â | Â | N.S. |
    I | 13 | 20 |  |
    II | 12 | 26 |  |
    III | 16 | 18 |  |
    IV | 10 | 14 |  |
Samples | Â | Â | 0.015 |
    Snap-frozen | 32 | 32 |  |
    FFPE | 19 | 46 |  |