Pieterman et al | Representative populations | |
Ratio male:female | 6:1 | 11:1–6:148 |
Median age (years) | 63 | 57–6749 |
Tumour subtypes (compared with a WHO report50) | ||
Squamous cell | 57% | 37% |
Adenocarcinoma | 27% | 38% |
Large cell | 13% | 11% |
Adenosquamous | 1% | 2% |
Neuroendocrine | 1% | 1% |
Stage distribution (compared with a series of 744 thoracotomies51) | ||
N0 | 47% | 56% |
N1 | 21% | 14% |
N2 | 28% | 21% |
N3 | 3% | 9% (N3 + M1) |
M1 | 6% |