NCT07580092Completed
Construct Validity and Responsiveness of EQ-5D-3L and EQ-5D-5L in Patients With Inflammatory Joint Disease
Source: ClinicalTrials.gov · Last updated 12 May 2026
Brief summary (registry, in English)
The aim of this study is to compare the construct validity (convergent validity and known-groups validity) and responsiveness of EQ-5D-3L and EQ-5D-5L in patients with inflammatory joint disease. The study is based on prospectively collected data through the Swedish Rheumatology Quality Register (SRQ).
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 6967 (actual)
- First submitted
- 21 Apr 2026
- Start date
- 30 Nov 2023
- Primary completion date
- 5 Mar 2026
- Lead sponsor
- Karolinska Institutet
- NCT number
- NCT07580092
What you commit to
- Study type: Observational
- Participants enrolled: 6967
- From 30 Nov 2023 to the primary completion date, 5 Mar 2026
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Who the study is looking for
- Agreed to participate in the study
- ≥18 years at the time of the first measurement
- A diagnosis of rheumatoid arthritis (RA), polyarthritis, psoriatic arthritis (PsA), or ankylosing spondylitis (AS)
- Complete registration of responses in the EQ-5D-3L and EQ-5D-5L descriptive system at least at one time point (one visit)
- For patients with RA: At least one measurement with Disease Activity Score 28 (DAS28) reported in relation to the same visit as the EQ-5D was registered
- For patients with polyarthritis: At least one measurement with DAS28 reported in relation to the same visit as the EQ-5D was registered
- For patients with PsA: At least one measurement with DAS28 or Disease Activity in Psoriatic Arthritis (DAPSA) reported in relation to the same visit as the EQ-5D was registered
- For patients with AS: At least one measurement with the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) or the Axial Spondyloarthritis Disease Activity Score (ASDAS) reported in relation to the same visit as the EQ-5D was registered
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Karolinska Institutet Coordinator of this site? Confirm its status | Stockholm | Sweden | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.