Response to: 'Catching the falling star: points to consider when using propensity scores' by Ouyang
et al
Ann Rheum Dis
.
2020 Mar;79(3):e27.
doi: 10.1136/annrheumdis-2018-214892.
Epub 2018 Dec 30.
Authors
Sytske Anne Bergstra
1
,
Cornelia F Allaart
2
,
Robert B M Landewé
3
4
Affiliations
1
Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands s.a.bergstra@lumc.nl.
2
Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands.
3
Amsterdam Rheumatology & Immunology Center, Amsterdam, The Netherlands.
4
Zuyderland Medical Center, Heerlen, The Netherlands.
PMID:
30598466
DOI:
10.1136/annrheumdis-2018-214892
No abstract available
Keywords:
disease activity; epidemiology; treatment.
Publication types
Letter
Comment
MeSH terms
Arthritis, Rheumatoid*
Humans
Methotrexate*
Propensity Score
Substances
Methotrexate