Table 4 Associations between the previous surgery and patient characteristics for patients with ulcerative colitis
From: A national survey on the patterns of treatment of inflammatory bowel disease in Canada
Characteristics | % Reporting Surgery | Odds ratio† | 95% CI† |
|---|---|---|---|
Sex | |||
Male | 15.2 | Referent | |
Female | 15.8 | 1.0 | 0.7 – 1.5 |
Age | |||
16–24 | 11.8 | Referent | |
25–40 | 17.5 | 1.2 | 0.4 – 3.9 |
41–55 | 16.8 | 1.0 | 0.3 – 3.0 |
>55 | 15.0 | 0.6 | 0.2 – 1.9 |
Region | |||
Maritimes | 8.3 | Referent | |
Quebec | 11.3 | 1.5 | 0.5 – 4.6 |
Ontario | 16.0 | 2.1 | 0.7 – 6.0 |
Prairies | 24.4 | 3.5 | 1.2 – 10.4 |
West Coast | 7.6 | 0.9 | 0.2 – 3.3 |