Table 2.

Baseline patient characteristics (n = 82).

Number of endoscopies	102
Number of biopsies	154
Male (%)	49 (60%)
Age (years, mean ± SD)	47.5 ± 15.9
Duration of disease (years)	5.4 ± 5.4
Extent of UC (%)
Proctitis	18 (22%)
Left-sided colitis	33 (40%)
Extensive colitis	31 (38%)
Medication at endoscopy (%)
5-ASA	65 (64%)
Systemic corticosteroids	27 (26%)
Azathioprine	24 (24%)
TNF-alpha inhibitor	7 (7%)

SD: standard deviation, UC: ulcerative colitis, 5-ASA: 5-aminosalicylic acid, and TNF: tumor necrosis factor.