Table 2.

Baseline characteristics of group 1 and group 2

	White light	White light plus VELscope
	n = 60	n = 60
Age, range	38-82	41-76
Gender, n (%)
Male	20 (33.3%)	25 (41.7%)
Female	40 (66.7%)	35 (58.3%)
Smoking, n (%)
Never	10 (16.7%)	7 (11.7%)
Previous	13 (21.7%)	7 (11.7%)
Actual	37 (61.7%)	46 (76.7%)
Alcohol, n (%)
Never	2 (3.3%)	0 (0%)
≤ 20 g/d	23 (38.3%)	19 (31.7%)
21 – 40 g/d	25 (41.7%)	32 (53.3%)
41 – 60 g/d	6 (10.0%)	4 (6.7%)
61 – 80 g/d	8 (13.3%)	5 (8.3%)
Unknown	0	0
Biopsy taken, n (%)
Yes	60 (100%)	60 (100%)
No	0	0