Table 1.

Clinicopathological characteristics of NSCLC patients.

Demographic or characteristic		Number	Percent(%)
Gender	male	612	71.5
	famale	244	28.5
Age	median	61	-
	range	25-89	-
Smoking history	Yes	507	59.23
	No	349	40.77
Clinical stage	I	284	33.18
	II	137	16
	III	290	33.88
	IV	145	16.94
T status	T1	145	16.94
	T2	488	57.01
	T3	111	13.97
	T4	112	13.08
N status	N0	389	45.44
	N1	140	16.36
	N2	278	32.48
	N3	49	5.72
M status	M0	712	83.18
	M1	144	16.82
Chemotherapy	Yes	290	33.88
	No	566	66.12
Radiotherapy	Yes	14	1.64
	No	842	98.36
Category	adenocarcinoma(ADC)	538	62.85
	squamous cell carcinoma(SCC)	256	29.90
	large cell carcinoma(LC)	4	0.47
	other	58	6.78