Table 2.

Patient demographics and baseline characteristics at time of first relapse (n=68).

Characteristic (n=68)		absolute	relative
Gender
	Male	52	76.5%
	Female	16	23.5%
Age
	Median age at diagnosis, years (range)	62 (40.0-82.0)
Extent of disease at relapse
	Limited disease	12	17.6%
	Extensive disease	56	82.4%
Second-line systemic therapy
	No second-line chemotherapy	26	38.2%
	Second-line chemotherapy	44	61.8%
Metastases (n=68)
	Liver	31	45.6%
	Bone	34	50.0%
	Adrenal gland	23	33.8%
	Brain	31	45.6%
Smoking
	Current smoker	47	69.1%
	Former smoker	20	29.4%
	Unknown	1	1.5%
	Median number of pack-years (range)	50 (20-120)
ECOG Performance status*
	ECOG 0-1	39
	ECOG ≥2	6

ECOG, Eastern Cooperative Oncology Group

^*Data for performance status missing for 42 patients