Open Access Research article

Derivation and preliminary validation of an administrative claims-based algorithm for the effectiveness of medications for rheumatoid arthritis

Jeffrey R Curtis1*, John W Baddley1,2, Shuo Yang1, Nivedita Patkar1, Lang Chen1, Elizabeth Delzell1, Ted R Mikuls3,4, Kenneth G Saag1, Jasvinder Singh1,2, Monika Safford1 and Grant W Cannon5,6

1 Department of Medicine, University of Alabama, 510 20th Street South, FOT 805D, Birmingham, AL 35294, USA

2 Department of Medicine, Birmingham VA Medical Center, 700 19th Street South, Birmingham, AL 35233, USA

3 Division of Rheumatology, Omaha VA Medical Center, 4101 Woolworth Avenue, Omaha, NE 68105, USA

4 Division of Rheumatology, University of Nebraska Medical Center, 42nd and Emile, Omaha, NE 68198, USA

5 George E Wahlen VA Medical Center, 500 Foothill Drive, Salt Lake City, UT 84148, USA

6 Division of Rheumatology, University of Utah, 30 North 1900 East, SOM4B200, Salt Lake City, UT 84132, USA

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Arthritis Research & Therapy 2011, 13:R155 doi:10.1186/ar3471

Published: 20 September 2011

Additional files

Additional file 1:

Sensitivity analysis comparing the effectiveness algorithm to an alternate definition of the effectiveness gold standard. Table S1 Sensitivity analysis comparing the effectiveness algorithm to an alternate definition of the effectiveness gold standard for biologic users. Table S2 Sensitivity analysis comparing the effectiveness algorithm to an alternate definition of the effectiveness gold standard for biologic and nonbiologic disease-modifying agent in rheumatic disease treatments.

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