Table 2.

Characteristics of subgroup of patients with colorectal carcinoma (n = 20).

Mean age of onset ± SD (years)	34.55 ± 13.56
Mean age of diagnosis ± SD (years)	34.95 ± 13.66
Males (%)	14 (70%)
Mean age at last colonoscopy or colectomy (years)	53.25 ± 12.6
Mean duration of disease at last colonoscopy or colectomy (years)	18.7 ± 11.3
Maximum extent of disease
Left-sided colitis	4 (20%)
Pancolitis	16 (80%)
Duration of disease at last colonoscopy/colectomy
<10 years	2 (10%)
10–20 years	10 (50%)
>20 years	8 (40%)
Family history of colorectal cancer (CRC)	0
Primary sclerosing cholangitis	0
Pseudopolyps	5/20 (25%)