| EGFR positive | EGFR negative | P value |
---|---|---|---|
N | 119 | 98 | Â |
Age | 63.50 ± 9.11 | 62.68 ± 11.35 | 0.559 |
Sex (M:F) | 43:76 | 55:43 | 0.003 |
PYR | 5.805 ± 14.426 | 14.031 ± 19.193 | <0.001 |
Pathologic stage | 117* | 95* | 0.199 |
  0 | 6 | 9 |  |
  IA | 87 | 57 |  |
  IB | 18 | 18 |  |
  IIA | 1 | 5 |  |
  IIB | 2 | 0 |  |
  IIIA | 3 | 5 |  |
  IIIB | 0 | 1 |  |
Nodal involvement | 5 | 10 | 0.106 |
Histologic invasiveness | 118†| 98 | 0.600 |
  AIS | 6 | 9 |  |
  MIA | 11 | 5 |  |
  IA | 101 | 84 |  |
Maximal diameter | 22.387 ± 9.876 | 22.376 ± 12.052 | 0.507 |
Solid diameter | 11.133 ± 11.229 | 12.559 ± 11.257 | 0.353 |
TDR | 0.702 ± 0.295 | 0.687 ± 0.290 | 0.720 |