Table I.

Distribution of clinical parameters in NSCLC patients.

Factor	n	K-Ras mutation n (%)	Pearson’s P-value	EGFR mutation n (%)	Pearson’s P-value
Gender
Female	6	2 (33.3)	0.013	2 (33.3)	0.065
Male	44	2 (4.5)		2 (4.5)
Histological type
Squamous cell	21	-		-	0.073
Adenocarcinoma cell	20	3 (15)		3 (15)
Large cell	5	1 (20)	0.81	-
Mixed	2	-		-
Undetermined	2	-		1 (50)
Stage
I	26	3 (11.5)		-	0.002
II	6	-		-
III	8	-	0.82	1 (12.5)
IV	1	-		1 (100)
Undetermined	9	1 (11.1)		2 (22.2)
Smoking status
Smoker	45	3 (6.6)	0.024	2 (4.4)	0.005
Non-smoker	5	1 (20)		2 (40)	0.003

NSCLC, non-small cell lung cancer; EGFR, epidermal growth factor receptor.