Impact of Rheumatoid Arthritis Disease Activity Test on Clinical Practice

John W Peabody, Vibeke Strand, Riti Shimkhada, Rachel Lee and David Chernoff

PLOS ONE, 2013, vol. 8, issue 5, 1-7

Abstract: Background: Variability exists in the assessment of disease activity in rheumatoid arthritis (RA) patients that may affect quality of care. Objectives: To measure the impact on quality of care of a Multi-Biomarker Disease Activity (MBDA) test that quantitatively assesses RA disease activity. Methods: Board-certified rheumatologists without prior experience with the MBDA test (N = 81) were randomized into an intervention or control group as part of a longitudinal randomized-control study. All physicians were asked to care for three simulated RA patients, using Clinical Performance and Value (CPV™) vignettes, in a before and after design. CPV™ vignettes have been validated to assess the quality of clinical practice and identify variation in care. The vignettes covered all domains of a regular patient visit; scores were determined as a percentage of explicit predefined criteria completed. Three vignettes, representing typical RA cases, were administered each round. In the first round, no physician received information about the MBDA test. In the second round, only physicians in the intervention group were given educational materials about the test and hypothetical test results for each of the simulated patients. The outcome measures were the overall quality of care, disease assessment and treatment. Results: The overall quality scores in the intervention group improved by 3 percent (p = 0.02) post-intervention compared with baseline, versus no change in the control group. The greatest benefit in the intervention group was to the quality of disease activity assessment and treatment decisions, which improved by 12 percent (p

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0063215

DOI: 10.1371/journal.pone.0063215

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