Table 1.

Demographic and clinical data of study cohort (N = 1012).

Mean age of onset ± SD (years)	31.9 ± 11.7
Mean age of diagnosis ± SD (years)	32.1 ± 11.9
Males/Females	693/319
Mean age at last colonoscopy (years)	38.45 ± 12.7
Mean duration of disease at last colonoscopy or colectomy (years)	6.4 ± 6.8
Maximum extent of disease
Left-sided colitis	558 (55.14%)
Pancolitis	454 (44.86%)
Duration of disease at last colonoscopy/colectomy
<10 years	768 (75.88%)
10–20 years	186 (18.37%)
>20 years	58 (5.7%)
Family history of colorectal cancer (CRC)	0
Primary sclerosing cholangitis	2 (0.1%)
Pseudopolyps	130 (12.8%)