Table 1.

Study participant characteristics for UK and US sites

		UK (%) n = 125	US (%) n = 191
Gender	Female	48.8	46.6
	Male	51.2	53.4
Cancer type	NSCLC	85.6	86.4
	SCLC	14.4	11.5
	Other	0.0	2.1
Staging	1A	0.8	2.1
	1B	3.2	0.0
	IIA	1.6	0.0
	IIB	1.6	0.5
	IIIA	8.8	6.8
	IIIB	16.0	2.6
	IV	68.0	88.0
Charlson Comorbidity Index score	0	37.6	47.6
	1	44.8	23.6
	2	9.6	17.3
	3	6.4	6.8
	4	0.8	2.1
	5	0.0	1.6
	6	0.8	0.0
	7	0.0	0.5
	8	0.0	0.5

NSCLC, nonsmall cell lung cancer; SCLC, small cell lung cancer