Evidence map›Paper›PMID 28043998›Full record

ArticleAnnals of the rheumatic diseases2017

Presence of anticitrullinated protein antibodies in a large population-based cohort from the Netherlands.

A van Zanten, S Arends, C Roozendaal, P C Limburg, F Maas, L A Trouw, R E M Toes, T W J Huizinga, H Bootsma, E Brouwer

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In one paragraph

Article in Annals of the rheumatic diseases, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed, 3 pooled it
7.3field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

51 citing papers in PubMed, 3 syntheses or guidelines pooled it, 106 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 4 institutions in 1 country.

A van ZantenDepartment of Rheumatology and Clinical Immunology, Groningen, The Netherlands.
S ArendsDepartment of Rheumatology and Clinical Immunology, Groningen, The Netherlands.
C RoozendaalDepartment of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
P C LimburgDepartment of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
F MaasDepartment of Rheumatology and Clinical Immunology, Groningen, The Netherlands.
L A TrouwDepartment of Rheumatology, LUMC, Leiden, The Netherlands.
R E M ToesDepartment of Rheumatology, LUMC, Leiden, The Netherlands.
T W J HuizingaDepartment of Rheumatology, LUMC, Leiden, The Netherlands.
H BootsmaDepartment of Rheumatology and Clinical Immunology, Groningen, The Netherlands.
E BrouwerDepartment of Rheumatology and Clinical Immunology, Groningen, The Netherlands.
Dialyse Centrum Groningen · NLLeiden University Medical Center · NLUniversity Medical Center Groningen · NLUniversity of Groningen · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo determine the prevalence of anticitrullinated protein antibodies (ACPAs) and their association with known rheumatoid arthritis (RA) risk factors in the general population.

methodsLifelines is a multidisciplinary prospective population-based cohort study in the Netherlands. Cross-sectional data from 40 136 participants were used. The detection of ACPA was performed by measuring anti-CCP2 on the Phadia-250 analyser with levels ≥6.2 U/mL considered positive. An extensive questionnaire was taken on demographic and clinical information, including smoking, periodontal health and early symptoms of musculoskeletal disorders. RA was defined by a combination of self-reported RA, medication use for the indication of rheumatism and visiting a medical specialist within the last year.

resultsOf the total 40 136 unselected individuals, 401 (1.0%) had ACPA level ≥6.2 U/mL. ACPA positivity was significantly associated with older age, female gender, smoking, joint complaints, RA and first degree relatives with rheumatism. Of the ACPA-positive participants, 22.4% had RA (15.2% had defined RA according to our criteria and 7.2% self-reported RA only). In participants without RA, 311 (0.8%) were ACPA-positive. In the non-RA group, older age, smoking and joint complaints remained significantly more frequently present in ACPA-positive compared with ACPA-negative participants.

conclusionsIn this large population-based study, the prevalence of ACPA levels ≥6.2 U/mL was 1.0% for the total group and 0.8% when excluding patients with RA. Older age, smoking and joint complaints were more frequently present in ACPA-positive Lifelines participants. To our knowledge, this study is the largest study to date on ACPA positivity in the general, mostly Caucasian population.

Indexed as

AdolescentAdultAgedAged, 80 and overAge FactorsAlcohol DrinkingArthralgiaArthritis, RheumatoidAutoantibodiesBody Mass IndexCross-Sectional StudiesFemaleHumansLogistic ModelsMaleMenarcheAutoantibodiescyclic citrullinated peptidePeptides, CyclicAnt-CCPEpidemiologySmoking

Identifiers

PMID28043998
PMCPMC5530344
OpenAlexW2563583703

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.