Table 1.

Baseline characteristics of 365 residents of Olmsted County, Minnesota, USA, diagnosed with ulcerative colitis between 1970 and 2004.

CharacteristicN (%)
Sex
  Male212 (58.1)
  Female153 (41.9)
Age at diagnosis, yrs
  < 1826 (7.1)
  18–39190 (52.0)
  40–59102 (28.0)
  ≥ 6047 (12.9)