Characteristics | Number |
---|---|
Gender | Â |
female | 209(64.3%) |
male | 116(35.6%) |
Age | Â |
mean | 56.8 ± 9.8 |
range | 22–80 |
Smoking history | Â |
positive | 71(21.8%) |
negative | 254(78.2%) |
Clinical Stage | Â |
Stage I | 315(96.9%) |
Stage II | 10(3.1%) |
EGFR mutation status | Â |
exon 18 | 7(2.2%) |
exon 19 | 41(12.6%) |
exon 20 | 2(0.6%) |
exon 21 | 121(37.2%) |
exon 19/21 | 2(0.6%) |
wild-type | 152(46.7%) |