Ramzi Ibrahim
Influence of Social Vulnerability Index on Medicare Beneficiaries’ Expenditures upon Discharge
Ibrahim, Ramzi; Lin, Lifeng; Sainbayar, Enkhtsogt; Pham, Hoang Nhat; Shahid, Mahek; Le Cam, Elise; William, Preethi; Ferreira, Joao Paulo; Alkindi, Sadeer; Mamas, Mamas A.
Authors
Lifeng Lin
Enkhtsogt Sainbayar
Hoang Nhat Pham
Mahek Shahid
Elise Le Cam
Preethi William
Joao Paulo Ferreira
Sadeer Alkindi
Mamas Mamas m.mamas@keele.ac.uk
Abstract
Medicare beneficiaries’ healthcare spending varies across geographical regions, influenced by availability of medical resources and institutional efficiency. We aimed to evaluate whether social vulnerability influences healthcare costs among Medicare beneficiaries. Multivariable regression analyses were conducted to determine whether the social vulnerability index (SVI), released by the CDC, was associated with average submitted covered charges, total payment amounts, or total covered days upon hospital discharge among Medicare beneficiaries. We used information from discharged Medicare beneficiaries from hospitals participating in the Inpatient Prospective Payment System. Covariate adjustment included demographic information consisting of age groups, race/ethnicity, and Hierarchical Condition Category risk score. The regressions were performed with weights proportioned to the number of discharges. Average submitted covered charges significantly correlated with SVI (β=0.50, p<0.001) in the unadjusted model and remained significant in the covariates-adjusted model (β=0.25, p=0.039). The SVI was not significantly associated with the total payment amounts (β=-0.07, p=0.238) or the total covered days (β=0.00, p=0.953) in the adjusted model. Regional variations in Medicare beneficiaries’ healthcare spending exist and are influenced by levels of social vulnerability. Further research is warranted to fully comprehend the impact of social determinants on healthcare costs.
Citation
Ibrahim, R., Lin, L., Sainbayar, E., Pham, H. N., Shahid, M., Le Cam, E., …Mamas, M. A. (in press). Influence of Social Vulnerability Index on Medicare Beneficiaries’ Expenditures upon Discharge. Journal of Investigative Medicine, https://doi.org/10.1177/10815589241247791
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 9, 2024 |
Online Publication Date | Apr 9, 2024 |
Deposit Date | Apr 22, 2024 |
Publicly Available Date | Apr 22, 2024 |
Journal | Journal of Investigative Medicine |
Print ISSN | 1081-5589 |
Electronic ISSN | 1708-8267 |
Publisher | Lippincott, Williams & Wilkins |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1177/10815589241247791 |
Keywords | General Biochemistry, Genetics and Molecular Biology, General Medicine |
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https://creativecommons.org/licenses/by-nc/4.0/
Publisher Licence URL
https://creativecommons.org/licenses/by-nc/4.0/
Copyright Statement
The final version of this accepted manuscript and all relevant information related to it, including copyrights, can be found on the publisher website.
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