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. 2020 Oct 12;27(8):1177–1183. doi: 10.1093/ibd/izaa263

TABLE 2.

Logistic Regression Model for Significant Predictors of IBD-Related Hospitalization and Risk Score Among Patients With UC

OR Estimates (95% CI) P Risk Index
CCI
 CCI score ≤1 Reference 0
 CCI score >1 1.22 (1.12–1.32) <0.0001 2
Age, years
 Age <40 1.30 (1.21–1.40) <0.0001 3
 Age ≥40 Reference 0
IBD Severity Indicators
 Anemia 1.37 (1.25–1.49) <0.0001 3
 Weight loss 1.27 (1.14–1.42) <0.0001 2
 IV corticosteroid use 1.36 (1.26–1.45) <0.0001 3
 Prior GI-related ED visit 1.26 (1.16–1.38) <0.0001 2
Prior GI-related hospitalization 4.18 (3.85–4.54) <0.0001 14
Location
 Pancolitis 1.59 (1.40–1.80) <0.0001 5
 Left-sided 1.58 (1.36–1.84) <0.0001 5
 Proctosigmoiditis 1.32 (1.11–1.58) 0.0019 3
 Proctitisa Reference 0
 Other 1.50 (1.30–1.74) <0.0001 4
 Unspecified 1.63 (1.44–1.83) <0.0001 5
C-statistic 0.71

aProctitis was used as reference because it had the most negative β-coefficient value. Therefore, the scores of other locations were positive compared with proctitis.