Table 1.

Baseline demographic and clinical characteristics of the study population.

Characteristics	NSCLC
	N	%
Age (years)
<40	25	15.3
40–60	85	52.1
>60	53	32.5
Sex
Male	64	39.3
Female	99	60.7
Family history of cancer
Yes	74	45.4
No	89	54.6
Smoking
Never	114	69.9
Ever	49	30.1
Pathology of nsclc
Adenocarcinoma	117	71.8
Squamous	46	28.2
Differentiation
Good	47	28.8
Intermediate	85	52.1
Poor	31	19.0
Stage
I	42	25.8
II	69	42.3
III	52	31.9