Risk adjustment performance of Charlson and Elixhauser comorbidities in ICD-9 and ICD-10 administrative databases by Dean Stafford, Faris Peter, Evans Dewey, Li Bing, Quan Hude

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Measuring agreement of administrative data with chart data using prevalence unadjusted and adjusted kappa by Hemmelgarn Brenda, Faris Peter, Chen Guanmin, Walker Robin L, Quan Hude

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Data enhancement for co-morbidity measurement among patients referred for sleep diagnostic testing: an observational study by Faris Peter, Quan Hude, Tsai Willis H, Ronksley Paul E, Hemmelgarn Brenda R

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A comparison between the APACHE II and Charlson Index Score for predicting hospital mortality in critically ill patients by Fong Andrew, Faris Peter, Hennessy Deirdre A, Quach Susan, Quan Hude, Doig Christopher

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Accuracy of city postal code coordinates as a proxy for location of residence by Seidel Judy E, Faris Peter D, Waters Nigel M, Bow C Jennifer D, Galbraith P Diane, Knudtson Merril L, Ghali William A

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A multi-region assessment of population rates of cardiac catheterization and yield of high-risk coronary artery disease by Clement Fiona M, Manns Braden J, Brownell Brenda, Faris Peter D, Graham Michelle M, Humphries Karin, Love Michael, Knudtson Merril L, Ghali William A

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