Table 1 Patient characteristics by study group
Characteristic | ADC (n = 136) | SQCC (n = 51) | P value | ||
|---|---|---|---|---|---|
Age (years) | 0.315 | ||||
 Median | 58 | 60 |  | ||
 Range | 29–82 | 30–80 | |||
Sex | 0.055 | ||||
 Male | 86 | 63% | 40 | 78% |  |
 Female | 50 | 37% | 11 | 22% | |
Smoking status | 0.172 | ||||
 Never smoker | 109 | 80% | 36 | 71% |  |
 Smoker | 27 | 20% | 15 | 29% | |
Pathologic stage | 0.868 | ||||
 IIIB | 54 | 40% | 21 | 41% |  |
 IV | 82 | 60% | 30 | 59% | |
Mutation status | <0.0001 | ||||
 EGFR mutant | 58 | 43% | 2 | 4% |  |
 KRAS mutant | 17 | 12% | 2 | 4% | |
 Other | 61 | 45% | 47 | 92% | |