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Relationship between clinical characteristics and EGFR mutation.
| Characteristics | EGFR wild-type (n = 73) | EGFR mutations (n = 75) | p |
|---|---|---|---|
| Gender | <0.001 | ||
| Female | 25 (34.2%) | 53 (70.7%) | |
| Male | 48 (65.8%) | 22 (29.3%) | |
| Age (years) | 63.59 ± 10.47 | 60.63 ± 9.96 | 0.08 |
| Smoking history | <0.001 | ||
| Yes | 40 (54.8%) | 13 (17.3%) | |
| No | 33 (45.2%) | 62 (82.7%) | |
| Pathology type | 0.037 | ||
| AC | 63 (86.3%) | 72 (96.0%) | |
| Non-AC | 10 (13.7%) | 3 (4.0%) | |
| Clinical stage | 0.101 | ||
| I-II | 33 (45.2%) | 44 (58.7%) | |
| III-IV | 40 (54.8%) | 31 (41.3%) | |
