Table 1.

Clinical and demographic characteristics of cases and controls.

Group	Male: Female (n)	Average age (yrs)	Average age of diagnosis, range(yrs)	Family history of IBD (%)	Family history of sporadic-CRC (%)	Average length of follow up,range(yrs)
Sporadic-CRC	58:65	62	65 (28–97)	< 2	21	5.2 (0–12)
CD	75:126	46	29(6–81)	38	23	4.6 (0–16)
UC	77:90	48	34(10–75)	25	36	4.3 (0–14)
IBD dysplasia/cancer	6:9	59	45 (12–81)	29	32	4.4 (0–16)
Control	76:147	53	-	9	37

CRC: colorectal cancer

IBD: inflammatory bowel disease

CD: Crohn's disease

UC: ulcerative colitis