Clinical Characteristic | Sample(n) | EGFR mutation(n) | χ2 | P |
---|---|---|---|---|
Gender | ||||
 Female | 92 | 47 | 3.957 | 0.047 |
 Male | 63 | 22 | ||
Age | ||||
  < 59 | 74 | 30 | 4.230 | 0.040 |
 ≧59 | 81 | 39 | ||
Stage | ||||
 I,II | 57 | 21 | 2.150 | 0.143 |
 III,IV | 98 | 48 | ||
PS Score | ||||
 0-1 | 152 | 68 | 0.155 | 0.694 |
 2-3 | 3 | 1 | ||
Smoker | ||||
 Ever | 63 | 22 | 3.957 | 0.047 |
 Never | 92 | 47 | ||
CEA | ||||
  < 3.4 ng/ml | 63 | 21 | 5.374 | 0.020 |
 ≧3.4 ng/ml | 92 | 48 | ||
Cyfra21-1 | ||||
  < 3.3 ng/ml | 64 | 44 | 25.920 | 0.001 |
 ≧3.3 ng/ml | 91 | 25 |