Real-life chromoendoscopy for dysplasia surveillance in ulcerative colitis

Table 1 Patient demographics and clinical features

Feature	Data
Study patients	67
Age (yr)	40 (27-73)
Male sex	46 (70)
Disease duration (yr)	17 (8-51)
Age at diagnosis (yr)	25 (12-59)
Colitis activity index score2	0 (0-8)
Primary sclerosing cholangitis	3 (5), missing n = 2
Colorectal cancer in first degree relative	3 (5), missing n = 5
Previous dysplasia in colon	3 (5), missing n = 3
Treatment
Aminosalicylate1	58 (92), missing n = 3
Steroids1	12 (18), missing n = 4
Azathioprine1	4 (6)
Antitumour necrosis factor1	4 (6), missing n = 1

¹At time of surveillance colonoscopy and/or during past two years;

²Simple clinical colitis activity index. Data are presented as n (%) or median (interquartile range).