Table 1: Demographic characteristics of patients.

No. of patients38
Sex
 Male18 (47%)
 Female20 (53%)
Age at disease onset (range)38.8 ± 13.0 years (16–73)
Disease duration (range)15.8 ± 9.0 years (1–37)
Disease type
 Flare-ups and remission 37 (97%)
 Initial attacks1 (2%)
Lesion extent at disease onset
 Pancolitis11 (29%)
 Left-sided colitis 11 (29%)
 Proctitis11 (29%)
 Unknown5 (13%)
History of treatment in hospital
 Yes13 (34%)
 No25 (66%)
Drug therapy at colonoscopy
 Present36 (95%)
 5-Aminosalicylic acid 34 (94%)
 Immunomodulators1 (3%)
 Local therapy7 (19%)
 None2 (5%)