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Construct Validity and Responsiveness of EQ-5D-3L and EQ-5D-5L in Patients With Inflammatory Joint Disease

5. mai 2026 oppdatert av: Emelie Heintz, Karolinska Institutet
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).

Studieoversikt

Detaljert beskrivelse

A detailed description of the study can be found in the uploaded document titled 'Study Protocol and Statistical Analysis Plan.'

Studietype

Observasjonsmessig

Registrering (Faktiske)

6967

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

      • Stockholm, Sverige
        • Karolinska Institutet

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Prøvetakingsmetode

Ikke-sannsynlighetsprøve

Studiepopulasjon

Patients with inflammatory joint disease complete PROMs routinely in conjunction with their follow-up healthcare visits, through an online platform called Patients Own Registration (PER). Patients who meet the inclusion criteria will be asked whether they want to participate in the study when they access PER.

Beskrivelse

Inclusion Criteria:

  • 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

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
EQ-5D-3L
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Instrument used to measure and value health-related quality of life. The instrument consists of five items/dimensions that can be answered from 1-3. A higher score indicates more problems. The responses to the items can be recalculated into an index value where 1 indicates full health and 0 a state considered equivalent to being dead.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
EQ-5D-5L
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Instrument used to measure and value health-related quality of life. The instrument consists of five items/dimensions that can be answered from 1-5. A higher score indicates more problems. The responses to the items can be recalculated into an index value where 1 indicates full health and 0 a state considered equivalent to being dead.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Disease activity score 28 (DAS28)
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Measure of disease activity. 0 indicates no disease activity and 10 indicates the highest disease activity.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Measure of disease activity. 0 indicates no disease activity and 10 highest disease activity.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Ankylosing Spondylitis Disease Activity Score (ASDAS)
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Measure of disease activity. 0 indicates no disease activity. There is no upper limit, but a higher score indicates higher disease activity.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Health Assessment Questionnaire Disability Index (HAQ-DI)
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Measure of physical function. Ranges between 0 and 3. A higher score indicates more problems with physical function.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Bath Ankylosing Spondylitis Functional Index (BASFI)
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Measure of physical function. Ranges between 0 and 10. A higher score indicates more problems with physical function.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Pain measured with a visual analogue scale
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Visual analogue scale measuring pain. 0 indicates no pain and 100 indicates the worst possible pain.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Fatigue measured with a visual analogue scale
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Visual analogue scale measuring fatigue. 0 indicates no problem with fatigue and 100 indicates the worst possible fatigue.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
General health measured with a visual analogue scale
Tidsramme: Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).
Visual analogue scale measuring general health. 0 indicates no problems with general health and 100 indicates worst possible general health.
Established disease: Baseline at inclusion in the study and the next health care visit within the study period (nov 23 - mar 26). Newly diagnosed disease: At baseline and at every health care visit throughout study completion (nov 23 - mar 26).

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

30. november 2023

Primær fullføring (Faktiske)

5. mars 2026

Studiet fullført (Faktiske)

5. mars 2026

Datoer for studieregistrering

Først innsendt

21. april 2026

Først innsendt som oppfylte QC-kriteriene

5. mai 2026

Først lagt ut (Faktiske)

12. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. mai 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

5. mai 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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