2016 American College of Rheumatology/European League Against Rheumatism Classification Criteria for Primary Sjögren's Syndrome: A Consensus and Data‐Driven Methodology Involving Three International Patient Cohorts

Arthritis and Rheumatology - Tập 69 Số 1 - Trang 35-45 - 2017
Caroline H. Shiboski1, Stephen Shiboski1, Raphaèle Séror2, Lindsey A. Criswell1, Marc Labétoulle2, Thomas M. Lietman1, Astrid Rasmussen3, R. Hal Scofield4, Claudio Vitali5, Simon Bowman6, Xavier Mariette2
1University of California San Francisco
2Université Paris‐Sud, AP‐HP, Hôpitaux Universitaires Paris‐Sud INSERM U1184 Paris France
3Oklahoma Medical Research Foundation, Oklahoma City;
4Oklahoma Medical Research Foundation, University of Oklahoma Health Sciences Center, and Department of Veterans Affairs Medical Center, Oklahoma City
5Istituto Villa San Giuseppe, Como, Italy, and Casa di Cura di Lecco, Lecco, Italy
6University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK

Tóm tắt

ObjectiveTo develop and validate an international set of classification criteria for primary Sjögren's syndrome (SS) using guidelines from the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR). These criteria were developed for use in individuals with signs and/or symptoms suggestive of SS.MethodsWe assigned preliminary importance weights to a consensus list of candidate criteria items, using multi‐criteria decision analysis. We tested and adapted the resulting draft criteria using existing cohort data on primary SS cases and non‐SS controls, with case/non‐case status derived from expert clinical judgment. We then validated the performance of the classification criteria in a separate cohort of patients.ResultsThe final classification criteria are based on the weighted sum of 5 items: anti‐SSA/Ro antibody positivity and focal lymphocytic sialadenitis with a focus score of ≥1 foci/4 mm2, each scoring 3; an abnormal ocular staining score of ≥5 (or van Bijsterveld score of ≥4), a Schirmer's test result of ≤5 mm/5 minutes, and an unstimulated salivary flow rate of ≤0.1 ml/minute, each scoring 1. Individuals with signs and/or symptoms suggestive of SS who have a total score of ≥4 for the above items meet the criteria for primary SS. Sensitivity and specificity against clinician‐expert–derived case/non‐case status in the final validation cohort were high, i.e., 96% (95% confidence interval [95% CI] 92–98%) and 95% (95% CI 92–97%), respectively.ConclusionUsing methodology consistent with other recent ACR/EULAR‐approved classification criteria, we developed a single set of data‐driven consensus classification criteria for primary SS, which performed well in validation analyses and are well‐suited as criteria for enrollment in clinical trials.

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Arthritis and Rheumatology

Tập 69 Số 1

35-45

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