Table 3

Age- and sex-adjusted prevalence and incidence rates of IBD in children and youth in Ontario (fiscal years 1994–2005)

Fiscal yearNumber of children (<18 years) with IBD living in Ontario*Age-/sex-standardised prevalence rate per 100 000 (95% CI)Number of children and youth with new diagnosis of IBDAge-/sex-standardised incidence rate per 100 000 (95% CI)
1994103442.1 (39.6 to 44.8)2359.54 (8.4 to 10.8)
1995111744.8 (42.2 to 47.5)2299.17 (8.0 to 10.4)
1996119446.9 (44.3 to 49.7)2469.65 (8.5 to 10.9)
1997127849.2 (46.6 to 52.0)26410.15 (9.0 to 11.5)
1998139852.8 (50.1 to 55.7)2649.95 (8.8 to 11.2)
1999144853.8 (51.1 to 56.7)2529.36 (8.2 to 10.6)
2000147853.8 (51.1 to 56.7)2709.85 (8.7 to 11.1)
2001149853.6 (50.9 to 56.4)2679.57 (8.5 to 10.8)
2002151953.7 (51.0 to 56.4)2488.76 (7.7 to 9.9)
2003151053.1 (50.5 to 55.9)2709.51 (8.4 to 10.7)
2004155353.4 (51.7 to 57.1)29710.42 (9.3 to 11.7)
2005162156.3 (53.6 to 59.2)32711.43 (10.2 to 12.7)
  • *Represents the number of children and youth (<18 years old) with IBD alive and living in Ontario, Canada on 1 July of the noted year. This number does not include patients with childhood-onset IBD who turned 18 years of age before 1July of the noted year, and, therefore does not represent the cumulative prevalence.

  • IBD, inflammatory bowel disease