Validation of claims‐based algorithms for rheumatoid arthritis in Japan: Results from the VALIDATE‐J study
Naonobu Sugiyama,
Mitsuyo Kinjo,
Sadao Jinno
et al.
Abstract:AimValidity of Algorithms in Large Databases: Infectious Diseases, Rheumatoid Arthritis, and Tumor Evaluation in Japan (VALIDATE‐J) study examined algorithms for identifying rheumatoid arthritis (RA) in Japanese claims data.MethodsVALIDATE‐J was a multicenter, cross‐sectional retrospective study. Disease‐identifying algorithms were used to detect RA diagnosed between January 2012 and December 2016 using claims data from two Japanese hospitals. An RA diagnosis was confirmed using one of four gold standard defin… Show more
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