Article info
PDFRheumatoid arthritis
How to treat patients with rheumatoid arthritis when methotrexate has failed? The use of a multiple propensity score to adjust for confounding by indication in observational studies
- Correspondence to Sytske Anne Bergstra, Leiden University Medical Center, Leiden RC 2300, The Netherlands; s.a.bergstra{at}lumc.nl
Citation
How to treat patients with rheumatoid arthritis when methotrexate has failed? The use of a multiple propensity score to adjust for confounding by indication in observational studies
Publication history
- Received May 8, 2018
- Revised July 24, 2018
- Accepted September 17, 2018
- First published October 16, 2018.
Online issue publication
February 02, 2023
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- Previous version (2 November 2019).
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© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.