TABLE 1.

Patients’ characteristics (n = 251)

	No of patients	%
GENDER
Male	170	68.0
Female	81	32.0
AGE
< 70	163	65.0
≥ 70	88	35.0
SMOKING STATUS
Current smoker	142	57.0
Never smoker	2	0.8
Ex-smoker	97	38.2
Unknown	10	4.0
STAGE
LD	64	25.5
ED
- With brain metastases	34	13.5
- Without brain metastases	153	61.0
PERFORMANCE STATUS
PS-0	43	17.0
PS-1	166	66.0
PS-2	42	17.0