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Validation of the EULAR definition of arthralgia suspicious for progression to rheumatoid arthritis
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Reumatologi.
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2017 (Engelska)Ingår i: Rheumatology, ISSN 1462-0324, E-ISSN 1462-0332, Vol. 56, nr 12, s. 2123-2128Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Objectives. Recently a EULAR-taskforce defined arthralgia suspicious for progression to RA, in order to allow inclusion of homogeneous sets of arthralgia patients in clinical studies. This longitudinal study aimed (i) to validate this definition in arthralgia patients in whom rheumatologists felt that imminent RA was more likely than other arthralgias [clinically suspect arthralgia (CSA)], that is, the target population fulfilling the entry criterion, and (ii) to explore the performance in arthralgia patients who were referred to secondary care prior to rheumatological evaluation, hence ignoring the entry criterion. Methods. The definition was assessed in 241 Dutch patients identified with CSA by rheumatologists and 113 patients referred to the Umea university hospital with recent-onset arthralgia in small joints. The external reference was arthritis development < 2 years' follow-up. Results. CSA patients with a positive definition (>= 3/7 parameters present) had an increased risk for developing arthritis compared with definition-negative CSA patients (hazard ratio = 2.1, 95% CI: 0.9, 4.7). The sensitivity was 84% and the positive predictive value 30%. In arthralgia patients in whom the definition was applied before rheumatological evaluation, a positive definition was neither sensitive (10%) nor predictive (positive predictive value 3%). Conclusion. The EULAR definition of arthralgia suspicious for progression to RA is sensitive when used to support the rheumatologist's opinion on imminent RA. This validation study shows that the definition, when used as designed, further homogenizes patients that rheumatologists consider at risk for RA. To arrive at a high specificity, the clinical definition needs to be combined with biomarkers.

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OXFORD UNIV PRESS , 2017. Vol. 56, nr 12, s. 2123-2128
Nyckelord [en]
rheumatoid arthritis, epidemiology, clinical trials and methods, outcome measures, DMARDs
Nationell ämneskategori
Reumatologi och inflammation
Identifikatorer
URN: urn:nbn:se:umu:diva-143007DOI: 10.1093/rheumatology/kex324ISI: 000416628500017OAI: oai:DiVA.org:umu-143007DiVA, id: diva2:1166299
Tillgänglig från: 2017-12-14 Skapad: 2017-12-14 Senast uppdaterad: 2019-06-05Bibliografiskt granskad

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Siljehult, FilipRantapää-Dahlqvist, Solbritt

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Totalt: 114 träffar
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