Validity of the Updated Rx-Risk Index as a Disease Identification and Risk-Adjustment Tool for Use in Observational Health Studies
Selected Rx-Risk Index conditions are reasonable proxies for identifying specific conditions, particularly those requiring pharmacological management. The Rx-Risk Index was a strong predictor of one-year mortality, suggesting it is a valid measure of overall health. This study demonstrates the Rx-Risk Index's potential to enhance disease classification and risk adjustment in observational studies, supporting informed decision-making in health policy planning.
Authors
- Mhairi Kerr (ORCID: https://orcid.org/0000-0002-8695-0693)
- Lisa M. Kalisch Ellett (ORCID: https://orcid.org/0000-0001-5063-6128)
- Nicole Pratt (ORCID: https://orcid.org/0000-0001-8730-8910)
- Imaina Widagdo (ORCID: https://orcid.org/0000-0002-0669-0183)
- Alvin Wang
- Clement Schlegel
- Aileen Clarke (ORCID: https://orcid.org/0000-0001-8299-3146)
- Elham Sadeqzadeh
Institutions
- University of South Australia (AU)
- Department of Health and Aged Care (AU)
Publication Details
- Journal
- Clinical Interventions in Aging
- Published
- 2025-03-01
- DOI
- https://doi.org/10.2147/cia.s494145
- Primary Topic
- Statistical Methods in Epidemiology
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Australian Government
- Department of Health and Aged Care, Australian Government