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. 2014 May 3;14:312. doi: 10.1186/1471-2407-14-312

Table 3.

Clinicopathological characteristics according to EGFR mutation status

  EGFR positive EGFR negative P value
N
119
98
 
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

*Data for pathologic stage were unavailable for 2 EGFR positive and 3 EGFR negative patients.

†Data for histologic invasiveness were unavailable for 1 patient.