From: Bronchial biopsy specimen as a surrogate for DNA methylation analysis in inoperable lung cancer
Surgically resected tumor tissue | Bronchial washing | |
---|---|---|
Lung cancer (N = 42) | Lung cancer (N = 76) | |
Age (years)a | 60 ± 10 | 59 ± 10 |
Sex | ||
Men | 32 | 59 |
Women | 10 | 17 |
Pack-yearsa | 31 ± 29 | 29 ± 27 |
Histology | ||
Adenoca | 27 | 44 |
Squamous | 8 | 22 |
Others | 7 | 10 |