Abstract Number: 292 • 2018 ACR/ARHP Annual Meeting
Derivation of a National Rheumatoid Arthritis Cohort in the Veterans Health Administration and Validation with the Veterans Affairs Rheumatoid Arthritis Registry
Background/Purpose: The Veterans Health Administration health system represents the largest integrated healthcare system in the U.S. and maintains robust administrative and clinical data that can…Abstract Number: 1148 • 2014 ACR/ARHP Annual Meeting
Evaluation of a Methodological Approach to Determine Timing of Rheumatoid Arthritis Disease Onset Using Administrative Claims Data
Background/Purpose: The identification of patients with recent-onset rheumatoid arthritis (RA) is often desirable to create inception cohorts of patients. We evaluated an approach to identify…