Table 4

Associations between the previous surgery and patient characteristics for patients with ulcerative colitis

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


† Adjusted for duration of disease

Hilsden et al. BMC Gastroenterology 2003 3:10   doi:10.1186/1471-230X-3-10

Open Data