Supplementing Claims Data with Electronic Medical Records to Improve Estimation and Classification of Rheumatoid Arthritis Disease Activity: A Machine Learning Approach.
Candace H FeldmanKazuki YoshidaChang XuMichelle L FritsNancy A ShadickMichael E WeinblattSean E ConnollyEvo AlemaoDaniel H SolomonPublished in: ACR open rheumatology (2019)
Adding EMR-derived variables to claims-derived variables resulted in modest improvement. Even with EMR variables, we were unable to estimate continuous DAS28-CRP satisfactorily. However, in claims-EMR models, we were able to discriminate between binary categories of disease activity with reasonable accuracy.