Table 1.

Patient demographics and baseline characteristics at time of initial diagnosis (n=92).

Characteristic (n=92)		absolute	relative
Gender
	Male	62	67.4%
	Female	30	32.6%
Age
	Median age at diagnosis, years (range)	63 (39.7-81.9)
Extent of disease at study entry
	Limited disease	22	23.9%
	Extensive disease	70	76.1%
Metastases (n=70)
	Liver	33	47.1%
	Bone	31	44.3%
	Adrenal gland	20	28.6%
	Brain	17	24.3%
Smoking
	Current smoker	64	69.6%
	Former smoker	25	27.2%
	Unknown	3	3.3%
	Median number of pack-years (range)	50 (15-120)
ECOG Performance status*
	ECOG 0-1	41
	ECOG ≥ 2	9

ECOG, Eastern Cooperative Oncology Group

^*Data for performance status missing for 42 patients