Predictive models of disease burden at diagnosis in persons with adult-onset ulcerative colitis using health administrative data

Table 3 Discriminatory Capacity of Proportional Odds Regression Models

MODELS	Unadjusted C-Statistic Values
Model 7: Colitis Extent^a	0.700 (0.664,0.739)
Model 8: Colitis Activity^b	0.655 (0.617,0.699)
Model 9: Total Disease Burden^c	0.706 (0.674,0.746)

^aExtensive vs Left-sided vs Proctitis
^bSevere vs Moderate vs Mild
^c[severe AND extensive] OR [severe AND left-sided] OR [moderate AND extensive] vs. [severe AND proctitis] OR [moderate AND left-sided] OR [mild AND extensive] vs. [moderate AND proctitis] OR [mild AND left-sided] vs. [mild AND proctitis], based on the endoscopic mayo subscore of disease activity and Montreal classification of disease extent

ISSN: 1471-230X