Heart Failure Clinical Trial
— SWEQROfficial title:
How Does Patients' Overall Assessment of Their Health Vary Across and Within Different Disease Groups? A Study Protocol to Study Health-related Quality of Life Using the EQ-5D in the Swedish National Quality Registers
EQ-5D is one of the most commonly employed patient-reported outcome (PRO) measures. It is
included in many of the Swedish National Quality Registers (NQRs). EQ-5D health states are
usually summarized using 'values' obtained from healthy members of the general public.
However an alternative - which remains to be studied in detail - is the potential to use
patients' self-reported overall health on the visual analogue scale as a means of capturing
experience-based values. The overall aim of this project is to increase knowledge on the
potential applicability of EQ VAS as a health state valuation method through assessment of
its variability across and within patient groups and compared with that of the general
population in Sweden.
Data on nearly 700,000 patients from 12 NQRs covering a variety of diseases/conditions and
from the general population will be analysed. Longitudinal studies of PROs among different
patient groups will be conducted at baseline/first visit and 1-year follow-up. Descriptive
analyses comparing EQ-5D health states and observed self-assessed EQ VAS within and across
registers will be performed. Comparisons of the change in health state and observed EQ VAS
values over one year will also be made. Regression models will be used to assess whether
EQ-5D dimensions predict observed EQ VAS values to investigate patient value sets in each
NQR. These will be compared across the patient groups and with the existing Swedish
experience-based VAS and time trade-off (TTO) value sets obtained from the general
population. This research project will provide information on the variation among different
patient groups in terms of self-reported health status through EQ VAS and comparison with the
general population. Knowledge on the relative importance of different dimensions of the EQ-5D
to different patient groups as well as the general population will be gained in this project.
The possibility of getting value sets based on patients' self-reported EQ VAS values and
their comparison with value sets from experience-based general population studies will be
discussed.
Status | Recruiting |
Enrollment | 700000 |
Est. completion date | September 2020 |
Est. primary completion date | September 2020 |
Accepts healthy volunteers | |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Age 18 years or older at baseline/first visit registration - Completed the PRO instrument, EQ-5D, at least at the baseline /first visit Exclusion Criteria: - Incomplete data on age, sex, or EQ-5D dimensions |
Country | Name | City | State |
---|---|---|---|
Sweden | Registercentrum | Gothenburg |
Lead Sponsor | Collaborator |
---|---|
Vastra Gotaland Region | Göteborg University, Karolinska Institutet, Linkoeping University, Lund University, Office of Health Economics, London, Ryhov County Hospital, Umeå University, University of Melbourne |
Sweden,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Problems reported on the EQ-5D dimensions (EQ-5D-3L and EQ-5D-5L) | These describe the proportions of levels of problems reported in each of the EQ-5D-3L or EQ-5D-5L dimensions (mobility, self-care, usual activities, pain/discomfort, anxiety/depression) | At baseline/ first visit | |
Primary | Problems reported on the EQ-5D dimensions (EQ-5D-3L and EQ-5D-5L) | These describe the proportions of levels of problems reported in each of the EQ-5D-3L or EQ-5D-5L dimensions (mobility, self-care, usual activities, pain/discomfort, anxiety/depression) | At 1-year follow-up | |
Primary | EQ-VAS value | It describes an overall assessment by respondent of their health, ranging on a scale from 0 (worst imaginable health) to 100 (best imaginable health). | At baseline/ first visit | |
Primary | EQ-VAS value | It describes an overall assessment by respondent of their health, ranging on a scale from 0 (worst imaginable health) to 100 (best imaginable health). | At 1-year follow-up | |
Primary | EQ-5D index (for EQ-5D-3L and EQ-5D-5L) | An index calculated from the five EQ-5D (3L and 5L) dimensions by attaching specific weights to each severity level in each dimension. | At baseline/ first visit | |
Primary | EQ-5D index (for EQ-5D-3L and EQ-5D-5L) | An index calculated from the five EQ-5D (3L and 5L) dimensions by attaching specific weights to each severity level in each dimension. | At 1-year follow-up |
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