Resources: Bibliography

Learn how other researchers have used our CMS data to publish papers in high-impact journals.

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Identifying Older Adults with Serious Illness: A Critical Step toward Improving the Value of Health Care.

Objective(s): To create and test three prospective, increasingly restrictive definitions of serious illness.

Kelley, A. S., Covinsky, K. E., Gorges, R. J., McKendrick, K., Bollens-Lund, E., Morrison, R. S., & Ritchie, C. S.

Health Services Research


The Impact of Disability and Social Determinants of Health on Condition-Specific Readmissions beyond Medicare Risk Adjustments: A Cohort Study.

Objective(s): To assess the impact of disability and social determinants of health on condition-specific readmissions beyond current risk adjustment.

Meddings, J., Reichert, H., Smith, S. N., Iwashyna, T. J., Langa, K. M., Hofer, T. P., & McMahon, L. F.

Journal of General Internal Medicine


Out-of-Pocket Spending and Financial Burden Among Medicare Beneficiaries With Cancer.

Objective(s): To measure out-of-pocket (OOP) costs incurred by Medicare beneficiaries with cancer and identify which factors and services contribute to high OOP costs.

Narang, A. K., & Nicholas, L. H.

JAMA Oncology


The Use of Life-Sustaining Procedures in the Last Month of Life Is Associated With More Depressive Symptoms in Surviving Spouses.

Objective(s): The objective of this study was to determine the association between patients' use of life-sustaining procedures at the end of life and depressive symptoms in their surviving spouses.

Ornstein, K. A., Aldridge, M. D., Garrido, M. M., Gorges, R. J., Bollens-Lund, E., Siu, A. L., . . . Kelley, A. S.

Journal of Pain and Symptom Management


Identifying Specific Combinations of Multimorbidity that Contribute to Health Care Resource Utilization: An Analytic Approach.

Objective(s): The objective was to identify specific combinations of chronic conditions, functional limitations, and geriatric syndromes associated with direct medical costs and inpatient utilization.

Schiltz, N. K., Jr., D. F. W., Sun, J., Bakaki, P. M., Dor, A., Given, C. W., . . . Koroukian, S. M.

Medical Care


Rates of Recovery to Pre-Fracture Function in Older Persons with Hip Fracture: an Observational Study.

Objective(s): To determine rates of functional recovery in older adults who sustained a hip fracture based on one's previous function.

Tang, V., Sudore, R. L., Cenzer, I. S., Boscardin, W. J., Smith, A., Ritchie, C. S., . . . Covinsky, K. E.

Journal of General Internal Medicine


Neuroimaging Overuse is More Common in Medicare Compared with the VA.

Objective(s): To inform initiatives to reduce overuse, we compared neuroimaging appropriateness in a large Medicare cohort with a Department of Veterans Affairs (VA) cohort.

Burke, J. F., Kerr, E. A., McCammon, R. J., Holleman, R., Langa, K. M., & Callaghan, B. C.



Characteristics of Decedents in Medicare Advantage and Traditional Medicare.

Approximately 25% of all Medicare expenditures are for care received in the last year of life. Much research has been done to understand cost and utilization patterns for Medicare beneficiaries at the end of life (EOL). However, when assessing EOL costs, most studies focus on decedents with traditional fee-for-service (FFS) Medicare owing to the lack of cost and utilization data for the 30% of Medicare beneficiaries in Medicare Advantage (MA) plans. This gap is a cause for concern because utilization and quality of care may differ between MA and FFS beneficiaries. We sought to examine differences in characteristics of decedents in MA and FFS Medicare based on detailed survey data.

Byhoff, E., Harris, J. A., & Ayanian, J. Z.

JAMA Internal Medicine


Racial and Ethnic Differences in End-of-Life Medicare Expenditures.

Objective(s): To determine to what extent demographic, social support, socioeconomic, geographic, medical, and End-of-Life (EOL) planning factors explain racial and ethnic variation in Medicare spending during the last 6 months of life.

Byhoff, E., Harris, J. A., Langa, K. M., & Iwashyna, T. J.

Journal of the American Geriatrics Society


One-Year Mortality After Hip Fracture: Development and Validation of a Prognostic Index.

Objective(s): To develop a prediction index for 1-year mortality after hip fracture in older adults that includes predictors from a wide range of domains.

Cenzer, I. S., Tang, V., Boscardin, W. J., Smith, A. K., Ritchie, C. S., Wallhagen, M. L., . . . Covinsky, K. E.

Journal of the American Geriatrics Society


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