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Endorsement of the 66/68 Joint Count for the Measurement of Musculoskeletal Disease Activity: OMERACT 2018 Psoriatic Arthritis Workshop Report

Research output: Contribution to journalJournal articleResearchpeer-review

DOI

  1. Adaptive Trial Designs in Rheumatology: Report from the OMERACT Special Interest Group

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. OMERACT Development of a Core Domain Set of Outcomes for Shared Decision-making Interventions

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Core Outcome Sets Specifically for Longterm Observational Studies: OMERACT Special Interest Group Update in Rheumatoid Arthritis

    Research output: Contribution to journalJournal articleResearchpeer-review

  1. Adaptive Trial Designs in Rheumatology: Report from the OMERACT Special Interest Group

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. OMERACT Development of a Core Domain Set of Outcomes for Shared Decision-making Interventions

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Core Outcome Sets Specifically for Longterm Observational Studies: OMERACT Special Interest Group Update in Rheumatoid Arthritis

    Research output: Contribution to journalJournal articleResearchpeer-review

  • Alí Duarte-García
  • Ying Ying Leung
  • Laura C Coates
  • Dorcas Beaton
  • Robin Christensen
  • Ethan T Craig
  • Maarten de Wit
  • Lihi Eder
  • Lara Fallon
  • Oliver FitzGerald
  • Dafna D Gladman
  • Niti Goel
  • Richard Holland
  • Chris Lindsay
  • Lara Maxwell
  • Philip Mease
  • Ana Maria Orbai
  • Beverley Shea
  • Vibeke Strand
  • Douglas J Veale
  • William Tillett
  • Alexis Ogdie
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OBJECTIVE: The Psoriatic Arthritis (PsA) Core Domain Set for randomized controlled trials and longitudinal observational studies has recently been updated. The joint counts are central to the measurement of the peripheral arthritis component of the musculoskeletal (MSK) disease activity domain. We report the Outcome Measures in Rheumatology (OMERACT) 2018 meeting's approaches to seek endorsement of the 66/68 swollen and tender joint count (SJC66/TJC68) for inclusion in the PsA Core Outcome Measurement Set (COS).

METHODS: Using the OMERACT Filter 2.1 Instrument Selection Process, the SJC66/TJC68 was assessed for (1) domain match, (2) feasibility, (3) numerical sense (construct validity), and (4) discrimination (test retest reliability, longitudinal construct validity, sensitivity in clinical trials, and thresholds of meaning). A protocol was designed to assess the measurement properties of the SJC66/TJC68 joint count. The results were summarized in a Summary of Measurement Properties table developed by OMERACT. OMERACT members discussed and voted on whether the strength of the evidence supported that the SJC66/TJC68 had passed the OMERACT Filter as an outcome measurement instrument for the PsA COS.

RESULTS: OMERACT delegates endorsed the use of the SJC66/TJC68 for the measurement of the peripheral arthritis component of the MSK disease activity domain. Among patient research partners, 100% voted for a "green" endorsement, whereas among the group of other stakeholders, 88% voted for a "green" endorsement.

CONCLUSION: The SJC66/TJC68 is the first fully endorsed outcome measurement instrument using the OMERACT Filter 2.1 and the first instrument fully endorsed within the PsA COS.

Original languageEnglish
JournalJournal of Rheumatology
Volume46
Issue number8
Pages (from-to)996-1005
Number of pages10
ISSN0315-162X
DOIs
Publication statusPublished - Aug 2019

ID: 57855497