Appraisal of candidate instruments for assessment of the physical function domain in patients with psoriatic arthritis

Ying Ying Leung, Ana Maria Orbai, Alexis Ogdie, Pil Hojgaard, Richard Holland, Niti Goel, Jeffrey Chau, Laura C. Coates, Vibeke Strand, Dafna D. Gladman, Philip J. Mease, Robin Christensen, William Tillett

Research output: Contribution to journalArticlepeer-review

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Objective. Numerous patient-reported outcome measures (PROM) exist for the measurement of physical function for psoriatic arthritis (PsA), but only a few are validated comprehensively. The objective of this project was to prioritize PROM for measuring physical function for potential incorporation into a standardized outcome measurement set for PsA. Methods. A working group of 13 members including 2 patient research partners was formed. PROM measuring physical function in PsA were identified through a systematic literature review and recommendations by the working group. The rationale for inclusion and exclusion from the original list of existing PROM was thoroughly discussed and 2 rounds of Delphi exercises were conducted to achieve consensus. Results. Twelve PROM were reviewed and discussed. Six PROM were prioritized: Health Assessment Questionnaire (HAQ) and 4 modifications (HAQ-Disability Index, HAQ-Spondyloarthritis, modified HAQ, multidimensional HAQ), Medical Outcomes Study 36-item Short Form survey physical functioning domain, and the Patient-Reported Outcomes Measurement Information System (PROMIS) physical functioning module. Conclusion. Through discussion and Delphi exercises, we achieved consensus to prioritize 6 physical function PROM for PsA. These 6 PROM will undergo further appraisal using the Outcome Measures in Rheumatology (OMERACT) Filter 2.1.

Original languageEnglish
Pages (from-to)58-66
Number of pages9
JournalJournal of Rheumatology
Issue number1
Early online date1 Jan 2021
Publication statusPublished - 1 Jan 2021


  • Outcome measures
  • Physical function
  • Psoriasis
  • Psoriatic arthritis

ASJC Scopus subject areas

  • Rheumatology
  • Immunology and Allergy
  • Immunology


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