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AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
Results
1 to 25 of 25 Research Studies DisplayedPost B, Hollenbeck BK, Norton EC
Hospital-physician integration and clinical volume in traditional Medicare.
The purpose of this study was to test the effect of hospital-physician integration on primary care physicians' (PCP) clinical volume in traditional Medicare. The researchers identified 70,000 PCPs, some of whom remained non-integrated and some who became hospital-integrated during this study period. An event study design was utilized to identify the effect of integration on key measures of physicians' clinical volume, including the number of claims, work-relative value units (RVUs), professional revenue generated, number of patients treated, and facility fee revenue generated. The study found that per-physician clinical volume declined by statistically and economically significant margins. Relative to the comparison group who remained non-integrated, work RVUs fell by 7%; the number of patients treated fell by 4%; and claims volume among PCPs who became hospital-integrated fell by over 15%.
AHRQ-funded; HS027044; HS025707.
Citation: Post B, Hollenbeck BK, Norton EC .
Hospital-physician integration and clinical volume in traditional Medicare.
Health Serv Res 2024 Feb; 59(1):e14172. doi: 10.1111/1475-6773.14172..
Keywords: Medicare, Primary Care, Healthcare Delivery, Provider: Physician
Thorndike AL, Peterson L, Spitzer S
Advancing health equity through partnerships of state Medicaid agencies, Medicaid managed care organizations, and health care delivery organizations.
This article explored how multi-stakeholder teams operationalized the Roadmap to Advance Health Equity model during the early stages of its implementation. Semi-structured interviews were conducted with representatives from multi-stakeholder teams from state Medicaid agencies, Medicaid managed care organizations, and health care delivery organizations in seven US states about their experiences. The team representatives shared practical strategies for implementing the Roadmap to Advance Health Equity, which the authors believed could inform future efforts to build intra- and inter-organizational cultures of equity and integrate health equity into care delivery and payment systems.
AHRQ-funded; HS000084.
Citation: Thorndike AL, Peterson L, Spitzer S .
Advancing health equity through partnerships of state Medicaid agencies, Medicaid managed care organizations, and health care delivery organizations.
Front Public Health 2023 Mar 9;11:1104843. doi: 10.3389/fpubh.2023.1104843.
Keywords: Medicaid, Medicare, Healthcare Delivery
Kim KD, Funk RJ, Hou H
Association between care fragmentation and total spending after durable left ventricular device implant: a mediation analysis of health care-associated infections within a national Medicare-Society of Thoracic Surgeons INTERMACS linked dataset.
The purpose of this study was to examine the relationship between care fragmentation and total spending for durable left ventricular assisted device (LVAD) implant, and whether this relationship is mediated by infections. The researchers developed a measure of care fragmentation based on the number of shared medical professionals providing care to 4,987 Medicare beneficiaries undergoing LVAD implantation. The study found that the indirect effect of care fragmentation, through infections, was positive and statistically significant. The researchers concluded that higher care fragmentation associated with durable LVAD implantation is related with a greater incidence of infections and higher Medicare beneficiary payments.
AHRQ-funded; HS026003.
Citation: Kim KD, Funk RJ, Hou H .
Association between care fragmentation and total spending after durable left ventricular device implant: a mediation analysis of health care-associated infections within a national Medicare-Society of Thoracic Surgeons INTERMACS linked dataset.
Circ Cardiovasc Qual Outcomes 2022 Sep;15(9):e008592. doi: 10.1161/circoutcomes.121.008592..
Keywords: Heart Disease and Health, Cardiovascular Conditions, Healthcare Costs, Healthcare-Associated Infections (HAIs), Medicare, Medical Devices, Healthcare Delivery
Fraze TK, Lewis VA, Wood A
Configuration and delivery of primary care in rural and urban settings.
This study examined configuration and delivery of rural primary care of Medicare beneficiaries compared to more urban settings. The study included over 27 million participants with qualifying visits who were assigned to practices. The authors characterized practices’ structures, capabilities, and payment reform participation and measured beneficiary utilization by rurality. Rural practices were smaller, more primary care dominant and system owned with more beneficiaries per practice. Rural area beneficiaries were more likely to be from high-poverty areas and disabled. There was less engagement in quality-focused payment programs than in metropolitan practices. There was less preventive care, such as fewer beneficiaries with diabetes receiving an eye exam, fewer mammograms, and higher overall and condition-specific readmissions. While most isolated beneficiaries traveled to more urban practices for outpatient care, those receiving care in rural practices had similar outpatient and inpatient utilization to urban counterparts except for readmissions and quality metrics that rely on services outside of primary care.
AHRQ-funded; HS024075.
Citation: Fraze TK, Lewis VA, Wood A .
Configuration and delivery of primary care in rural and urban settings.
J Gen Intern Med 2022 Sep;37(12):3045-53. doi: 10.1007/s11606-022-07472-x..
Keywords: Primary Care, Healthcare Delivery, Rural Health, Urban Health, Medicare
Andino JJ, Zhu Z, Surapaneni M
Interstate telehealth use by Medicare beneficiaries before and after COVID-19 licensure waivers, 2017-20.
This study analyzed trends in interstate telehealth use by Medicaid beneficiaries during 2017-2020, which covers the period both directly before and during the first year of the pandemic. Although the volume of interstate telehealth use increased in 2020, out-of-state telehealth only made up 0.8% of all outpatient visits, and 5% of all telehealth visits overall. For individual states, out-of-state telehealth made up between 0.2-9.3% of all outpatient visits. Most out-of-state telehealth visits were used for established patient care, and a higher percentage of out-of-state telehealth users lived in rural areas compared with beneficiaries who stayed with in-state care (28% versus 23%).
AHRQ-funded; HS027632.
Citation: Andino JJ, Zhu Z, Surapaneni M .
Interstate telehealth use by Medicare beneficiaries before and after COVID-19 licensure waivers, 2017-20.
Health Aff 2022 Jun;41(6):838-45. doi: 10.1377/hlthaff.2021.01825.
AHRQ-funded; HS027632..
AHRQ-funded; HS027632..
Keywords: Telehealth, COVID-19, Health Information Technology (HIT), Medicare, Healthcare Delivery
Everson J, Adler-Milstein JR, Hollingsworth JM
Dispersion in the hospital network of shared patients is associated with less efficient care.
The purpose of this study was to examine the level of distribution of patient-sharing networks across U.S. hospitals and its relationship with 3 measures of care delivered by hospitals that were likely to relate to coordination. The researchers utilized data from 2016 Medicare Fee-for-Service claims to measure the volume of patients that hospitals treated in common, and then calculated a measure of dispersion for each hospital. The relationship between network dispersion, Medicare spending per beneficiary, readmission rates, and emergency department (ED) throughput rates were then estimated. The study reported that hospitals with more dispersed networks had greater spending rates but not higher admission rates or slower ED processes. Among hospitals with less resources, more dispersion was associated with higher readmission rates and slower ED processes. The researchers concluded that dispersed interhospital networks create difficulties in coordinating patients who are treated at multiple hospitals, and that the structure of patient-sharing networks may be an overlooked factor that influences the delivery of care in health care organizations.
AHRQ-funded; HS026395, HS024525, HS024728, HS024454.
Citation: Everson J, Adler-Milstein JR, Hollingsworth JM .
Dispersion in the hospital network of shared patients is associated with less efficient care.
Health Care Manage Rev 2022 Apr-Jun;47(2):88-99. doi: 10.1097/hmr.0000000000000295..
Keywords: Medicare, Hospitals, Care Coordination, Healthcare Delivery
Adler-Milstein J, Linden A, Bernstein S
Longitudinal participation in delivery and payment reform programs among US primary care organizations.
The purpose of this retrospective, observational study was to assess longitudinal primary care organization participation patterns in large-scale reform programs and to identify organizational characteristics associated with multiprogram participation. Medicare claims were used to identify organizations that delivered primary care services. Findings showed that no program achieved more than 50% participation; 36% of organizations did not participate in any program; 50% participated in one; 13% in two; and 1% in all three. Larger organizations, those with younger providers, those with more primary care providers, and those with larger Medicare patient panels were more likely to participate in more programs.
AHRQ-funded; HS025165.
Citation: Adler-Milstein J, Linden A, Bernstein S .
Longitudinal participation in delivery and payment reform programs among US primary care organizations.
Health Serv Res 2022 Feb;57(1):47-55. doi: 10.1111/1475-6773.13646..
Keywords: Primary Care, Medicare, Healthcare Delivery
Post B, Norton EC, Hollenbeck B
Hospital-physician integration and Medicare's site-based outpatient payments.
AHRQ-funded; HS027044.
Citation: Post B, Norton EC, Hollenbeck B .
Hospital-physician integration and Medicare's site-based outpatient payments.
Health Serv Res 2021 Feb;56(1):7-15. doi: 10.1111/1475-6773.13613..
Keywords: Hospitals, Payment, Medicare, Ambulatory Care and Surgery, Healthcare Delivery
Kuo YF, Lin YL, D Jupiter, et al.
How to identify team-based primary care in the United States using Medicare data.
The authors assessed whether analyses using different sets of Medicare data can produce results similar to those from analyses using 100% data from an entire state in identifying primary care teams through social network analysis. They found that, depending on specific study purposes, researchers could use either 100% data from Medicare beneficiaries in randomly selected primary care services areas or data from a 20% national sample of Medicare beneficiaries to study team-based primary care in the United States.
AHRQ-funded; HS020642.
Citation: Kuo YF, Lin YL, D Jupiter, et al..
How to identify team-based primary care in the United States using Medicare data.
Med Care 2021 Feb;59(2):118-22. doi: 10.1097/mlr.0000000000001478.
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Keywords: Teams, Primary Care: Models of Care, Primary Care, Medicare, Health Services Research (HSR), Healthcare Delivery
Fraze TK, Beidler LB, Briggs ADM
Translating evidence into practice: ACOs' use of care plans for patients with complex health needs.
Researchers sought to understand how Medicare accountable care organizations (ACOs) use care plans to manage patients with complex clinical needs. After conducting semi-structured interviews with Medicare ACOs, they found that ACOs were using care plans for patients with complex needs, but their use of care plans did not always meet the best practices; ACOs were adapting use of care plans to better fit the needs of patients and providers.
AHRQ-funded; HS024075.
Citation: Fraze TK, Beidler LB, Briggs ADM .
Translating evidence into practice: ACOs' use of care plans for patients with complex health needs.
J Gen Intern Med 2021 Jan;36(1):147-53. doi: 10.1007/s11606-020-06122-4..
Keywords: Implementation, Evidence-Based Practice, Medicare, Health Insurance, Healthcare Delivery
Kranz AM, DeYoreo M, shete-Roesler B
Health system affiliation of physician organizations and quality of care for Medicare beneficiaries who have high needs.
The goal of this study was to test the hypothesis that health systems provide better care to patients with high needs compared to nonaffiliated physician organizations (POs). The 2015 Medicare Data on Provider Practice and Specialty linked physicians’ database was linked to POs Medicare Provider Enrollment, Chain, and Ownership System (PECOS) and IRS Form 990 data to identify health system affiliations. Among 2,323,301 beneficiaries with high needs, 52.3% received care from system-affiliated practices. The emergency department (ED) visit rate was statistically significantly different in system-affiliated POs and nonaffiliated POs. There were small differences for the remaining five of six quality measures examined: continuity of care, follow-up visits, all-cause readmissions, and ambulatory care-sensitive hospitalizations. Within systems there was substantial variation for rates of continuity of care and follow-up after ED visits.
AHRQ-funded; HS024067.
Citation: Kranz AM, DeYoreo M, shete-Roesler B .
Health system affiliation of physician organizations and quality of care for Medicare beneficiaries who have high needs.
Health Serv Res 2020 Dec;55(Suppl 3):1118-28. doi: 10.1111/1475-6773.13570..
Keywords: Health Systems, Medicare, Quality of Care, Healthcare Delivery
Colla C, Yang W, Mainor AJ
Organizational integration, practice capabilities, and outcomes in clinically complex Medicare beneficiaries.
This study examines the association between clinical integration and financial integration, quality-focused care delivery processes, and beneficiary utilization and outcomes. Data was used from multiphysician practices in the 2017-2018 National Survey of Healthcare Organizations and Systems and 2017 Medicare claims data. Out of 1.6M fee-for-service Medicare beneficiaries aged 66 or older attributed to 2113 practices, 414,209 were considered clinically complex (frailty or 2 or more chronic conditions). Financial and clinical integration were weakly correlated. Clinical integration was significantly associated with greater adoption of quality-focused care delivery processes, while financial integration was associated with the opposite. Integration was not associated with reduced utilization or better beneficiary-level health-related outcomes, but both integration types were associated with lower spending.
AHRQ-funded; HS024075.
Citation: Colla C, Yang W, Mainor AJ .
Organizational integration, practice capabilities, and outcomes in clinically complex Medicare beneficiaries.
Health Serv Res 2020 Dec;55(Suppl 3):1085-97. doi: 10.1111/1475-6773.13580..
Keywords: Medicare, Health Systems, Healthcare Delivery
Kaye DR, Luckenbaugh AN, Oerline M
Understanding the costs associated with surgical care delivery in the Medicare population.
This study’s objective was to quantify the costs of inpatient and outpatient surgery in the Medicare population. Claims data from a 20% national sample of Medicare beneficiaries was used. Results showed that, while spending on inpatient surgery contributed the most to total surgical payments, it declined over the study period, driven by decreases in index hospitalization and readmissions payments. In contrast, spending on outpatient surgery increased across all sites of care (hospital outpatient department, physician office, and ambulatory surgery center). Ophthalmology and hand surgery witnessed the greatest growth in surgical spending over the study period. Surgical care accounts for half of all Medicare spending.
AHRQ-funded; HS024525; HS024728.
Citation: Kaye DR, Luckenbaugh AN, Oerline M .
Understanding the costs associated with surgical care delivery in the Medicare population.
Ann Surg 2020 Jan;271(1):23-28. doi: 10.1097/sla.0000000000003165..
Keywords: Surgery, Healthcare Delivery, Healthcare Costs, Medicare, Elderly, Hospitalization
Briggs ADM, Fraze TK, Glick AL
How do accountable care organizations deliver preventive care services? A mixed-methods study.
The authors sought to understand how Medicare accountable care organizations (ACOs) provide preventive care services to their attributed patients. They found that offering annual wellness visits and having a system-wide approach to closing preventive care gaps are key mechanisms used by high-performing ACOs to address patients' preventive care needs; however, few programs or initiatives were identified that specifically target clinically complex patients. They concluded that understanding the mechanisms and motivations used by high-performing ACOs may help both providers and payers to increase the use of preventive care.
AHRQ-funded; HS024075.
Citation: Briggs ADM, Fraze TK, Glick AL .
How do accountable care organizations deliver preventive care services? A mixed-methods study.
J Gen Intern Med 2019 Nov;34(11):2451-59. doi: 10.1007/s11606-019-05271-5..
Keywords: Prevention, Healthcare Delivery, Medicare
Makam AN, Tran T, Miller ME
The clinical course after long-term acute care hospital admission among older Medicare beneficiaries.
Investigators sought to examine the clinical course after long-term acute care (LTAC) admission. They found that hospitalized older adults transferred to LTAC hospitals had poor survival, spent most of their remaining life as an inpatient, and frequently underwent life-prolonging procedures. This prognostic understanding is essential to inform goals of care discussions and to prioritize healthcare needs for these adults. Given the exceedingly low rates of palliative care consultations, they recommend future research to examine unmet palliative care needs in this population.
AHRQ-funded; HS022418.
Citation: Makam AN, Tran T, Miller ME .
The clinical course after long-term acute care hospital admission among older Medicare beneficiaries.
J Am Geriatr Soc 2019 Nov;67(11):2282-88. doi: 10.1111/jgs.16106..
Keywords: Elderly, Medicare, Palliative Care, Patient-Centered Outcomes Research, Outcomes, Care Management, Healthcare Delivery
Kuo YF, Raji MA, Lin YL
Use of Medicare data to identify team-based primary care: is it possible?
This study’s goal was to determine if Medicare data can be used to identify type and degree of collaboration between primary care providers (PCPs), nurse practitioners, and physician assistants in a team care model. Researchers surveyed 63 primary care practices in Texas and linked the survey results to 2015 100% Medicare data. They measured sensitivity, specificity and positive predictive value (PPV) of dyad teams in Medicare data. They found a higher PPV between MD-nurse practitioner/physician assistant pairs than for MD-MD pairs. There was low sensitivity over all (27.8%), but specificity was 91.7% and PPV 72.2%.
AHRQ-funded; HS020642.
Citation: Kuo YF, Raji MA, Lin YL .
Use of Medicare data to identify team-based primary care: is it possible?
Med Care 2019 Nov;57(11):905-12. doi: 10.1097/mlr.0000000000001201..
Keywords: Medicare, Primary Care, Teams, Primary Care: Models of Care, Healthcare Delivery
Borza T, Oerline MK, Skolarus TA
Association between hospital participation in Medicare Shared Savings Program Accountable Care Organizations and readmission following major surgery.
Accountable Care Organizations (ACOs) and readmission rates following major surgery. A retrospective cohort study was conducted using a 20% national Medicare sample to identify beneficiaries undergoing 1 of 7 common surgical procedures: abdominal aortic aneurysm repair, colectomy, cystectomy, prostatectomy, lung resection, total knee arthroplasty, and total hip arthroplasty between 2010 and 2014. Thirty-day risk-adjusted readmission rates was the primary outcome studied. Out of 2974 hospitals in the study, 389 were ACO affiliated. While rates fell for both cohorts, ACO hospitals had a higher decrease in hospitalizations over the same time period.
AHRQ-funded; HS024728; HS024525.
Citation: Borza T, Oerline MK, Skolarus TA .
Association between hospital participation in Medicare Shared Savings Program Accountable Care Organizations and readmission following major surgery.
Ann Surg 2019 May;269(5):873-78. doi: 10.1097/sla.0000000000002737..
Keywords: Hospitals, Surgery, Hospital Readmissions, Medicare, Healthcare Costs, Healthcare Delivery
Bazzoli GJ, Harless DW, Chukmaitov AS
A taxonomy of hospitals participating in Medicare accountable care organizations.
In this study, the investigators identified hospital ACO participant subgroups that share certain capabilities and competencies to provide deeper understanding of the structure and operation of these organizations. Their findings provide a baseline to track the evolution of accountable care organization (ACO) hospitals over time. The authors suggest that ACOs need to consider not only geographic and service mix when selecting hospital participants but also their vertical integration features and management competencies.
AHRQ-funded; HS023332.
Citation: Bazzoli GJ, Harless DW, Chukmaitov AS .
A taxonomy of hospitals participating in Medicare accountable care organizations.
Health Care Manage Rev 2019 Apr/Jun;44(2):93-103. doi: 10.1097/hmr.0000000000000159..
Keywords: Healthcare Delivery, Hospitals, Medicare
Zhou M, Oakes AH, Bridges JFP
Regional supply of medical resources and systemic overuse of health care among Medicare beneficiaries.
The goal of this study was to explore health care system factors associated with regional variation in overuse of resources, as measured by the Johns Hopkins Overuse Index (JHOI). Medicare fee-for-service claims data from beneficiaries age 65 was used to calculate the JHOI for 306 hospital referral regions in the U.S. Regions with a higher density of primary care physicians had a lower JHOI, which indicates less systemic overuse. Regional characteristics associated with higher JHOI included the number of acute care hospital beds per 1000 residents and number of hospital-based anesthesiologists, pathologists, and radiologists. The authors conclude that regional variations in health care resources are associated with the level of systemic overuse of health care, and that the role of primary care doctors in reducing overuse deserves further attention.
AHRQ-funded; T32 HS000029.
Citation: Zhou M, Oakes AH, Bridges JFP .
Regional supply of medical resources and systemic overuse of health care among Medicare beneficiaries.
J Gen Intern Med 2018 Dec;33(12):2127-31. doi: 10.1007/s11606-018-4638-9..
Keywords: Access to Care, Elderly, Healthcare Delivery, Healthcare Utilization, Medicare, Practice Patterns
Adrion ER, Kocher KE, Nallamothu BK
Rising use of observation care among the commercially insured may lead to total and out-of-pocket cost savings.
Using multipayer commercial claims for the period 2009-13, the investigators evaluated utilization and spending among patients admitted for six conditions that are commonly managed with either observation care or short-stay hospitalizations. In their study period, the use of observation care increased relative to that of short-stay hospitalizations. In addition, total and out-of-pocket spending were substantially lower for observation care, though both grew rapidly--and at rates much higher than spending in the inpatient setting--over the study period.
AHRQ-funded; HS000053.
Citation: Adrion ER, Kocher KE, Nallamothu BK .
Rising use of observation care among the commercially insured may lead to total and out-of-pocket cost savings.
Health Aff 2017 Dec;36(12):2102-09. doi: 10.1377/hlthaff.2017.0774..
Keywords: Health Insurance, Healthcare Costs, Healthcare Delivery, Healthcare Utilization, Hospitalization, Hospitals, Medicare
Xue Y, Goodwin JS, Adhikari D
Trends in primary care provision to Medicare beneficiaries by physicians, nurse practitioners, or physician assistants: 2008-2014.
This study documented the temporal trends in alternative primary care models in which physicians, nurse practitioners (NPs), or physician assistants (PAs) engaged in care provision to the elderly, and examined the role of these models in serving elders with multiple chronic conditions. It found a decrease in the physician model and an increase in the shared care model and NP/PA model from 2008 to 2014.
AHRQ-funded; HS020642; HS022134.
Citation: Xue Y, Goodwin JS, Adhikari D .
Trends in primary care provision to Medicare beneficiaries by physicians, nurse practitioners, or physician assistants: 2008-2014.
J Prim Care Community Health 2017 Oct;8(4):256-63. doi: 10.1177/2150131917736634.
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Keywords: Chronic Conditions, Elderly, Healthcare Delivery, Primary Care, Medicare
Rocque GB, Pisu M, Jackson BE
Resource use and Medicare costs during lay navigation for geriatric patients with cancer.
This study examined the influence of lay navigation on health care spending and resource use among geriatric patients with cancer within The University of Alabama at Birmingham Health System Cancer Community Network. It found that, compared with a matched comparison group, the mean total costs declined by $781.29 more per quarter per navigated patient, for an estimated $19 million decline per year across the network.
AHRQ-funded; HS023009.
Citation: Rocque GB, Pisu M, Jackson BE .
Resource use and Medicare costs during lay navigation for geriatric patients with cancer.
JAMA Oncol 2017 Jun;3(6):817-25. doi: 10.1001/jamaoncol.2016.6307.
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Keywords: Elderly, Cancer, Healthcare Costs, Medicare, Patient and Family Engagement, Patient-Centered Healthcare, Healthcare Delivery
Rocque GB, Williams CP, Jackson BE
Choosing Wisely: opportunities for improving value in cancer care delivery?
The researchers conducted a retrospective analysis of Medicare claims data to examine concordance with Choosing Wisely recommendations across 12 cancer centers in the southeastern United States. Significant variability was noted across centers for all recommendations. The researchers concluded that if concordance were to increase to 95 percent for all measures, an estimated $19 million difference in total cost of care per quarter would be saved.
AHRQ-funded; HS023009.
Citation: Rocque GB, Williams CP, Jackson BE .
Choosing Wisely: opportunities for improving value in cancer care delivery?
J Oncol Pract 2017 Jan;13(1):e11-e21. doi: 10.1200/jop.2016.015396.
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Keywords: Cancer, Guidelines, Healthcare Delivery, Medicare
Nguyen OK, Makam AN, Halm EA
National use of safety-net clinics for primary care among adults with non-Medicaid insurance in the United States.
This study described the prevalence, characteristics, and predictors of safety-net use for primary care among non-Medicaid insured adults (i.e., those with private insurance or Medicare). It concluded that safety net clinics are important primary care delivery sites for non-Medicaid insured minority and low-income populations with a high burden of chronic illness.
AHRQ-funded; HS022418.
Citation: Nguyen OK, Makam AN, Halm EA .
National use of safety-net clinics for primary care among adults with non-Medicaid insurance in the United States.
PLoS One 2016 Mar 30;11(3):e0151610. doi: 10.1371/journal.pone.0151610.
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Keywords: Primary Care, Health Insurance, Medicare, Low-Income, Healthcare Delivery
Jung HY, Trivedi AN, Grabowski DC
Integrated Medicare and Medicaid managed care and rehospitalization of dual eligibles.
The objective of this study was to conduct an early evaluation of an innovative program that coordinates benefits for elderly dual eligibles. The authors found no statistically significant effect of senior care options on rehospitalization. They concluded that coordinating the financing and delivery of services through an integrated managed program may not sufficiently address the problems of inefficiency and fragmentation in care for hospitalized dual eligible enrollees.
AHRQ-funded; HS020756.
Citation: Jung HY, Trivedi AN, Grabowski DC .
Integrated Medicare and Medicaid managed care and rehospitalization of dual eligibles.
Am J Manag Care 2015 Oct;21(10):711-7.
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Keywords: Healthcare Delivery, Care Management, Medicaid, Medicare, Hospital Readmissions