Table 1.

Baseline characteristics

		Standard surgery (N=704)	Lymphadenectomy (N=704)
Age (years)		63 (36–89)	63 (34–93)
WHO performance status
	0	520 (74%)	537 (76%)
	1	156 (22%)	139 (20%)
	2	23 (3%)	22 (3%)
	3	4 (1%)	5 (1%)
	4	1 (<1%)	1 (<1%)
Time between diagnosis and randomisation (weeks)		4 (0–16)	4 (0–26)
	≤6 weeks	576 (82%)	588 (84%)
	>6 weeks	128 (18%)	116 (16%)
Surgical technique intended
	Open	650 (92%)	659 (94%)
	Laparoscopic	54 (8%)	45 (6%)
Body-mass index		29 (16–79)	29 (10–69)
	Unknown	161	177

Data are median (range) or number (%) unless otherwise specified.