ArticleRheumatology international2025
Validity and psychometric characteristics of the Duruöz Hand Index (DHI) with systemic sclerosis.
Article in Rheumatology international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- The effect of structured hand massage on hand function and grip strength in rheumatoid arthritis patients: a randomized controlled pilot study.Rheumatology international · 2026Trial
- Effects of occupational therapy on hand function in patients with systemic sclerosis: a randomized controlled trial.Rheumatology international · 2025Trial
- Hand function in immune-mediated inflammatory rheumatic diseases: assessment and rehabilitation approaches.Rheumatology international · 2025Review
Corrections and comments
- Erratum issued
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe Duruöz Hand Index (DHI) is a self-report questionnaire originally developed to assess hand function in rheumatoid arthritis patients and validated for various rheumatic conditions. The aim of the study is to evaluate the validity and psychometric features of the DHI in patients with systemic sclerosis (SSc).
methodsSSc patients diagnosed using EULAR/ACR 2013 criteria were included in study. Hand functionality was assessed using the DHI, Hand Functional Index (HFI) and visual analog scales (VAS) for disability and handicap. Overall disability and quality of life were measured using the Health Assessment Questionnaire (HAQ) and Short Form-36 (SF-36). Reliability (Cronbach's alpha and ICC) and validity (face, content, convergent and divergent) were also analyzed and correlations with other measures assessed for construct validity of the DHI were examined.
resultsSeventy-three patients were included in the study, 78.1% were female. The baseline mean DHI score was 31.2 (SD: 20.2). Completion and calculation of the questionnaire were easy and took 5 min and 30 s, respectively. The Cronbach's alpha coefficient for internal consistency was 0.973 and the ICC for test-retest reliability was 0.993 (95%CI 0.981-0.997), suggesting that the DHI has high internal consistency and a high degree of reliability. Cognitive debriefing showed that the DHI is clear, understandable, relevant, and covers many domains of daily life, indicating good face and content validity. The DHI demonstrated good to moderate correlations with functional measures indicating convergent validity and moderate to non-significant correlations with non-functional parameters that supported divergent validity. Cronbach's alpha was 0.973, indicating excellent internal consistency.
conclusionIn SSc patients, specific tools for assessing hand function are lacking. The DHI is a practical, reliable and valid measurement tool for both clinical assessment and research in this disease affecting skin, tendons, subcutaneous tissue and arthritis.
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