Table 1 Characteristics of the 148 patients with adenomas in ulcerative colitis.

Age (y)	61.2 (13.1)
Sex (M:F)	101:47 (2.1:1)
Disease duration (y)	6.9 (8.1)
Solitary adenoma (%)	83.7
Two or more adenomas	16.3
Location (%)
Proximal to ulcerative colitis	17.6
Within segment of ulcerative colitis	82.4
Extent of ulcerative colitis (%)
Total ulcerative colitis (pancolitis)	29.1
Extensive ulcerative colitis (up to ascending colon)	12.1
Left sided colitis (up to descending colon)	43.9
Proctosigmoiditis or ulcerative proctitis	14.0