| EGFR exon 19 | EGFR exon 20 | EGFR exon 21 | EGFR negative |
---|---|---|---|---|
N | 50 | 9 | 56 (L858R in 54) | 98 |
Age | 60.40 ± 8.83 | 64.22 ± 8.04 | 66.45 ± 8.80** | 62.68 ± 11.35 |
Sex | M:F = 23:27 | M:F = 4:5 | M:F = 16:40** | 55:43 |
PYR | 8.09 ± 14.90 | 2.72 ± 6.55 | 4.68 ± 15.25** | 14.03 ± 19.19 |
Pathologic stage | 50 | 9 | 54* | 95 |
  0 | 4 | 0 | 2 | 9 |
  IA | 40 | 6 | 38 | 57 |
  IB | 4 | 2 | 12 | 18 |
  IIA | 0 | 0 | 1 | 5 |
  IIB | 1 | 1 | 0 | 0 |
  IIIA | 1 | 0 | 1 | 5 |
  IIIB | 0 | 0 | 0 | 1 |
Nodal involvement | 1 | 1 | 2 | 10 |
Histologic invasiveness | 50 | 9 | 55†| 98 |
  AIS | 4 | 0 | 2 | 9 |
  MIA | 7 | 0 | 4 | 5 |
  IA | 39 | 9 | 49 | 84 |
Maximal diameter | 21.294 ± 10.713 | 26.944 ± 12.692 | 22.950 ± 8.769 | 22.376 ± 12.052 |
Solid diameter | 9.392 ± 11.754 | 16.489 ± 15.322 | 11.900 ± 10.303 | 12.559 ± 11.257 |
TDR | 0.765 ± 0.283 | 0.592 ± 0.312 | 0.679 ± 0.296 | 0.692 ± 0.292 |