Table 1. Patient characteristics at baseline.

	Treatment group
	C3	C6	Total
No. of patients	150	147	297
Sex, M/F	104/46	84/63	188/109
Age, median (range)	64 (35–84)	65 (34–83)	64 (34–84)
PS
0	31	26	57
1	76	74	150
2	43	47	90
Stage
IIIB	37	34	71
IV	113	113	226
Histology
Adenocarcinoma	63	66	129
Squamous cell	46	33	79
Large cell	15	21	36
Adenosquamous	3	0	3
NSCLC – not specified	23	27	50

NSCLC=non-small-cell lung cancer; PS=performance status.