title: An optimized patient-reported ulcerative colitis disease activity measure derived from the Mayo Score and the Simple Clinical Colitis Activity Index.
authors.affiliation: *Department of Gastroenterology, University of Pennsylvania, Philadelphia, Pennsylvania †Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania.
authors.forename: Meenakshi
authors.initials: M
authors.lastname: Bewtra
mesh_terms: D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000503:physiopathology*; D005260:Female; D006306:Health Surveys / Q000592:standards*; D006801:Humans; D008297:Male; D057566:Self Report / Q000592:standards*; D012720:Severity of Illness Index