The Demographic and Clinical Characteristics of Ulcerative Colitis in a Northeast Brazilian Population
Table 4
Poisson regression model of the factors associated with systemic corticosteroid therapy in patients with UC in two reference centers in Salvador, Brazil.
Variables
Initial model
Final model
PRadj
Coefficent
PRadj
Coefficent
(Intercept)
–0.98
Weight loss
0.26
0.25
Yes
1.30
1.29
No
1
1
Diarrhea
0.20
0.24
Yes
1.23
1.27
No
1
1
EIMs
0.29
0.28
Yes
1.34
1.32
No
1
1
Origin
–0.28
–0.29
Rural areas
0.75
0.74
Urban areas
1
1
Need for hospitalization
0.57
0.51
Yes
1.78
1.67
No
1
1
Age (years)
0.11
—
<30
1.12
—
≥30
1
—
Gender
–0.19
—
Male
0.82
—
Female
1
—
Blood in stool
0.03
—
Yes
1.04
—
No
1
—
Active smoking
0.18
—
Yes
1.21
—
No
1
—
Family history of IBD
0.002
—
Yes
1.0
—
No
1
—
White
0.06
—
Yes
1.06
—
No
1
—
Extensive colitis
0.16
—
Yes
1.18
—
No
1
—
Note: Akaike information criterion (AIC): 479.2. Coefficent from Poisson regression model. Adjusted prevalence ratio from the Poisson regression model. EIMs = extraintestinal manifestations. IBD = inflammatory bowel disease.
