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Research Studies is a compilation of published research articles funded by 大象APPor authored by 大象APPresearchers.

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1 to 4 of 4 Research Studies Displayed
Kilaru AS, Liao JM, Wang E
Association between mandatory bundled payments and changes in socioeconomic disparities for joint replacement outcomes.
This study鈥檚 objective was to determine whether mandatory participation by hospitals in bundled payments for lower extremity joint replacement (LEJR) was associated with changes in outcome disparities for patients dually eligible for Medicare and Medicaid. The authors used Medicare claims data for beneficiaries undergoing LEJR in the United States between 2011 and 2017. They conducted a retrospective observational study using a differences-in-differences method to compare changes in outcome disparities between dual-eligible and non-dual eligible beneficiaries after hospital participation in the Comprehensive Care for Joint Replacement (CJR) program, with the primary outcome LEJR complications. In adjusted analysis, CJR participation was associated with a reduced difference in complications between dual-eligible and non-dual-eligible beneficiaries (-0.9 percentage points). The reduction in disparities was observed among hospitals without prior experience in a voluntary LEJR bundled payment model, and there were no differential changes in 90-day readmissions or mortality.
AHRQ-funded; HS027595.
Citation: Kilaru AS, Liao JM, Wang E . Association between mandatory bundled payments and changes in socioeconomic disparities for joint replacement outcomes. Health Serv Res 2024 Oct; 59(5):e14369. doi: 10.1111/1475-6773.14369..
Keywords: Disparities, Orthopedics, Surgery, Payment, Outcomes, Social Determinants of Health
Maclean JC, McClellan C, Pesko MF
大象APPAuthor: McClellan C
Medicaid reimbursement rates for primary care services and behavioral health outcomes.
This AHRQ-authored research studied the effects of changing Medicaid reimbursement rates for primary care services on behavioral health outcomes-defined here as mental illness and substance use disorders. The authors applied two-way fixed-effects regressions to survey data specifically designed to measure behavioral health outcomes over the period 2010-2016. They found that higher primary care reimbursement rates reduce mental illness and substance use disorders among non-elderly adult Medicaid enrollees, although they interpreted findings for substance use disorders with some caution as they may be vulnerable to differential pre-trends. Overall, their findings suggest positive spillovers from a policy designed to target primary care services to behavioral health outcomes.
AHRQ-authored.
Citation: Maclean JC, McClellan C, Pesko MF . Medicaid reimbursement rates for primary care services and behavioral health outcomes. Health Econ 2023 Jan 6;32(4):873-909. doi: 10.1002/hec.4646.
Keywords: Medicaid, Payment, Primary Care, Behavioral Health, Outcomes, Access to Care, Substance Abuse, Health Insurance
Thompson MP, Cabrera L, Strobel RJ
Association between postoperative pneumonia and 90-day episode payments and outcomes among Medicare beneficiaries undergoing cardiac surgery.
Postoperative pneumonia is the most common healthcare-associated infection in cardiac surgical patients, yet their impact across a 90-day episode of care remains unknown. The objective of this study was to examine the relationship between pneumonia and 90-day episode payments and outcomes among Medicare beneficiaries undergoing cardiac surgery. The investigators concluded that postoperative pneumonia was associated with significantly higher 90-day episode payments and inferior outcomes at the patient and hospital level.
AHRQ-funded; HS022535.
Citation: Thompson MP, Cabrera L, Strobel RJ . Association between postoperative pneumonia and 90-day episode payments and outcomes among Medicare beneficiaries undergoing cardiac surgery. Circ Cardiovasc Qual Outcomes 2018 Sep;11(9):e004818. doi: 10.1161/circoutcomes.118.004818..
Keywords: Elderly, Surgery, Medicare, Cardiovascular Conditions, Heart Disease and Health, Pneumonia, Payment, Healthcare Costs, Outcomes, Healthcare-Associated Infections (HAIs), Health Insurance
Koroukian SM, Basu J, Schiltz NK
大象APPAuthor: Basu J
Changes in case-mix and health outcomes of Medicare fee-for-service beneficiaries and managed care enrollees during the years 1992-2011.
This study examined changes in differentials between managed care enrollees (MCEs) and fee-for-service beneficiaries (FFSBs) both in case-mix and health outcomes over time. It found that the case-mix differential between MCEs and FFSBs persisted over time. Both MCEs and FFSBs were as likely to die within 2 years from the Health and Retirement Study interview.
AHRQ-authored; AHRQ-funded; HS023113.
Citation: Koroukian SM, Basu J, Schiltz NK . Changes in case-mix and health outcomes of Medicare fee-for-service beneficiaries and managed care enrollees during the years 1992-2011. Med Care 2018 Jan;56(1):39-46. doi: 10.1097/mlr.0000000000000847.
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Keywords: Elderly, Payment, Medicare, Health Insurance, Outcomes

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