Table 1.

Patient Characteristics.

	EGFR+	EGFR-	p Value
No. of patients	71	102
Sex
Male	34	81	<0.001
Female	37	21
Age (y)
Mean ± SD	60.06 ± 10.93	61.54 ± 10.89	NS
Range	27 ~ 86	32 ~ 83
Clinical Stage
I	18	28	NS
II	8	14
III	19	23
IV	26	37
Histology
Adenocarcinoma	60	62	0.004
Squamous cell carcinoma	8	31
Large cell neuroendocrine carcinoma	0	4
NSCLC-NOS	3	5
EGFR mutation subtype
18 G719S	3	/
19 Del	29	/
20 T790M	1	/
21 L858R	38	/

NOS, not otherwise specified; NS, not significant.