Increasing incidence of autoantibody-negative RA is replicated and is partly explained by an aging population

X. M. E. Matthijssen; T. W. J. Huizinga; A. H. M. Van Der Helm-Van Mil

doi:10.1136/annrheumdis-2020-217609

Increasing incidence of autoantibody-negative RA is replicated and is partly explained by an aging population

X. M. E. Matthijssen^*, T. W. J. Huizinga, A. H. M. Van Der Helm-Van Mil

^*Corresponding author for this work

Rheumatology

Research output: Contribution to journal › Article › Academic › peer-review

7 Citations (Scopus)

Original language	English
Pages (from-to)	E69
Journal	Annals of the Rheumatic Diseases
Volume	81
Issue number	5
DOIs	https://doi.org/10.1136/annrheumdis-2020-217609
Publication status	Published - 1 May 2022

Bibliographical note

Funding Information:
Funding The research leading to these results has received funding from the Dutch Arthritis Foundation and the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Starting grant, agreement No 714312).

Funding Information:
Our analyses are based on the assumption that all incident RA cases in the region are included in the EAC. This assumption is supported by the fact that the LUMC is the only referral centre in the region. Importantly, the referral region and strategy has not changed during the last two decennia; hence, if a proportion of patients with novel RA is not included in the cohort, this is presumably similar over time and does not affect our results on trends over time.

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title = "Increasing incidence of autoantibody-negative RA is replicated and is partly explained by an aging population",

author = "Matthijssen, {X. M. E.} and Huizinga, {T. W. J.} and {Van Der Helm-Van Mil}, {A. H. M.}",

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AU - Huizinga, T. W. J.

AU - Van Der Helm-Van Mil, A. H. M.

N1 - Funding Information: Funding The research leading to these results has received funding from the Dutch Arthritis Foundation and the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Starting grant, agreement No 714312). Funding Information: Our analyses are based on the assumption that all incident RA cases in the region are included in the EAC. This assumption is supported by the fact that the LUMC is the only referral centre in the region. Importantly, the referral region and strategy has not changed during the last two decennia; hence, if a proportion of patients with novel RA is not included in the cohort, this is presumably similar over time and does not affect our results on trends over time.

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IS - 5

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Increasing incidence of autoantibody-negative RA is replicated and is partly explained by an aging population

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