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- Title
Test-retest Reliability for HAQ-DI and SF-36 PF for the Measurement of Physical Function in Psoriatic Arthritis.
- Authors
Ying Ying Leung; Tillett, William; Hojgaard, Pil; Orbai, Ana-Maria; Holland, Richard; Mathew, Ashish J.; Goel, Niti; Chau, Jeffrey; Lindsay, Christine A.; Ogdie, Alexis; Coates, Laura C.; Christensen, Robin; Mease, Philip J.; Strand, Vibeke; Gladman, Dafna D.
- Abstract
<bold>Objective: </bold>Due to no existing data, we aimed to derive evidence to support test-retest reliability for the Health Assessment Questionnaire-Disability Index (HAQ-DI) and 36-item Short Form Health Survey physical functioning domain (SF-36 PF) in psoriatic arthritis (PsA).<bold>Methods: </bold>We identified datasets that collected relevant data for test-retest reliability for HAQ-DI and SF-36 PF, and evaluated them using Outcome Measures in Rheumatology (OMERACT) Filter 2.1 methodology. We calculated intraclass correlation coefficients (ICC) as a measure of test-retest reliability. We then conducted a quality assessment and evaluated the adequacy of test-retest reliability performance.<bold>Results: </bold>Two datasets were identified for HAQ-DI and 1 for SF-36 PF in PsA. The quality of the datasets was good. The ICCs for HAQ-DI were good and excellent in study 1 (0.90, 95% CI 0.79-0.95) and study 2 (0.94, 95% CI 0.89-0.97). The ICC for SF-36 PF was excellent (0.96, 95% CI 0.92-0.98). The performance of test-retest reliability for both instruments was judged to be adequate.<bold>Conclusion: </bold>The new data derived support good and reasonable test-retest reliability for HAQ-DI and SF-36 PF in PsA.
- Subjects
PSORIATIC arthritis; RESEARCH; RESEARCH evaluation; MITOXANTRONE; RESEARCH methodology; DISABILITY evaluation; MEDICAL cooperation; EVALUATION research; HEALTH surveys; COMPARATIVE studies; QUESTIONNAIRES; RESEARCH funding
- Publication
Journal of Rheumatology, 2021, Vol 48, Issue 10, p1547
- ISSN
0315-162X
- Publication type
Article
- DOI
10.3899/jrheum.210175