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Research Studies is a monthly compilation of research articles funded by AHRQ or authored by AHRQ researchers and recently published in journals or newsletters.
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1 to 25 of 538 Research Studies DisplayedLevin JS, Komanduri S, Whaley C
Association between hospital-physician vertical integration and medication adherence rates.
This study’s goal was to test the association between vertical integration of primary care providers (PCPs) and adherence rates for anti-diabetics, renin angiotensin system antagonists (RASA), and statins. Data was extracted from Medicare Part B outpatient fee-for-service claims and Medicare Part D event data from 2014 to 2017. There was a 23% increase in the proportion of patients who had a vertically integrated PCP during the study period. Changes in adherence did not differ significantly between patients based on whether their PCP became integrated. However, among patients with PCPs who become integrated, there were significant decreases in patients who were above 80 years old, were Black, Asian, Hispanic, or Native America, and had greater comorbidities for all three classes.
AHRQ-funded; HS024067.
Citation: Levin JS, Komanduri S, Whaley C .
Association between hospital-physician vertical integration and medication adherence rates.
Health Serv Res 2023 Apr; 58(2):356-64. doi: 10.1111/1475-6773.14090.
Keywords: Medication, Patient Adherence/Compliance, Medicare, Primary Care
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
Temkin-Greener H, Mao Y, Li Y
Using Medicare enrollment data to identify beneficiaries in assisted living.
The authors developed an approach for identifying Medicare beneficiaries residing in US assisted living (AL) communities in 2018. Data sources included a national directory of licensed ALs, a file of US addresses and their associated 9-digit ZIP codes (ZIP+4), the Medicare Enrollment Database (EDB), the Master Beneficiary Summary File (MBSF), and the Minimum Data Set (MDS). The cohorts of beneficiaries identified as AL residents exhibited good construct validity; AL residents also showed similar demographic characteristics to the 2018 sample from the National Survey of Long-Term Care Providers. The authors concluded that, as this residential setting continues to grow, future studies will need effective approaches such as their proposed methodology for identifying Medicare beneficiaries who reside in AL facilities in order to evaluate the quality of care they receive.
AHRQ-funded; HS026893.
Citation: Temkin-Greener H, Mao Y, Li Y .
Using Medicare enrollment data to identify beneficiaries in assisted living.
J Am Med Dir Assoc 2023 Mar;24(3):277-83. doi: 10.1016/j.jamda.2022.01.062.
Keywords: Medicare, Nursing Homes, Research Methodologies
Kalata S, Howard R, Diaz A
Association of skilled nursing facility ownership by health care networks with utilization and spending.
The objective of this cross-sectional study was to determine the association of vertical integration of skilled nursing facilities (SNFs) within hospital networks with SNF utilization, readmissions, and spending. Claims data from Medicare beneficiaries aged 66 to 99 who had undergone elective hip replacement in nonfederal acute care hospitals during the study period was analyzed. Results showed that vertical SNF integration was associated with a higher rate of SNF utilization and a lower 30-day readmission rate; in spite of higher utilization, 30-day episode payments were slightly lower. Adjusted readmission rates were especially low for patients who were not sent to an SNF but were significantly higher for patients with a length of stay of less than 5 days. The authors concluded these findings support the value of integrating SNFs into hospital networks, but there is room for improvement in postoperative care early in the SNF patients’ stay.
AHRQ-funded; HS028606.
Citation: Kalata S, Howard R, Diaz A .
Association of skilled nursing facility ownership by health care networks with utilization and spending.
JAMA Netw Open 2023 Feb; 6(2):e230140. doi: 10.1001/jamanetworkopen.2023.0140..
Keywords: Nursing Homes, Healthcare Utilization, Healthcare Costs, Medicare
De Roo AC, Ha J, Regenbogen SE
Impact of Medicare eligibility on informal caregiving for surgery and stroke.
The purpose of this study was to assess whether the intensity of family and friend care changes after older individuals enroll in Medicare at 65. Researchers used Health and Retirement Study survey data covering a 20-year period to compare informal care received by patients who had been hospitalized for stroke, heart surgery, or joint surgery, and who were stratified into propensity-weighted pre- and post-Medicare eligibility cohorts. Their results showed that onset of Medicare eligibility was associated with a substantial decrease in family and friend caregiving use received by stroke patients, but not in the other acute care cohorts. They concluded that this effect of Medicare coverage on informal caregiving had implications for patient function and caregiver burden, and should be considered in episode-based reimbursement models that alter professional rehabilitative care intensity.
AHRQ-funded; HS000053.
Citation: De Roo AC, Ha J, Regenbogen SE .
Impact of Medicare eligibility on informal caregiving for surgery and stroke.
Health Serv Res 2023 Feb; 58(1):128-39. doi: 10.1111/1475-6773.14019..
Keywords: Medicare, Caregiving, Surgery, Stroke, Cardiovascular Conditions
Ko H, Martin BI, Nelson RE
How does the effect of the comprehensive Care for Joint Replacement model vary based on surgical volume and costs of care?
This article described differences in costs, quality, and patient selection between hospitals that continued to participate in the comprehensive Care for Joint Replacement (CJR) program after the CMS policy revision and those that withdrew from CJR before and after the implementation of CJR. Study subjects were Medicare beneficiaries who had undergone elective lower extremity joint replacement from 2013 to 2017. The results indicated that hospitals that continued to participate in CJR achieved a greater cost reduction. The authors noted that these the cost reductions were partly attributable to the avoidance of potential higher-cost patients.
AHRQ-funded; HS024714.
Citation: Ko H, Martin BI, Nelson RE .
How does the effect of the comprehensive Care for Joint Replacement model vary based on surgical volume and costs of care?
Med Care 2023 Jan;61(1):20-26. doi: 10.1097/mlr.0000000000001785..
Keywords: Orthopedics, Surgery, Healthcare Costs, Medicare, Payment
Collins CR, Abel MK, Shui A
Preparing for participation in the centers for Medicare and Medicaid Services' bundle care payment initiative-advanced for major bowel surgery.
This study aimed to assess where the largest opportunities for care improvement lay with the bundled payment reimbursement model and how best to identify patients at high risk of suffering costly complications, including hospital readmission. The authors used a cohort of patients from 2014 and 2016 who met inclusion criteria for the Major Bowel Bundled Payment Program and performed a cost analysis to identify opportunities for improved care efficiency. Using the results, they identified readmissions as a target for improvement and then assessed whether the American College of Surgeons' National Surgical Quality Improvement Program surgical risk calculator (ACS NSQIP SRC) could accurately identify patients within the bundled payment population who were at high risk of readmission using a logistic regression model. Patients who were readmitted within 90-days post-surgery were 2.53 times more likely to be high-cost (>$60,000) then non-readmitted patients. However, the ACS NSQIP SRC did not accurately predict patients at high risk of readmission within the first 30 days post-surgery.
AHRQ-funded; HS024532.
Citation: Collins CR, Abel MK, Shui A .
Preparing for participation in the centers for Medicare and Medicaid Services' bundle care payment initiative-advanced for major bowel surgery.
Perioper Med 2022 Dec 9;11(1):54. doi: 10.1186/s13741-022-00286-9..
Keywords: Provider Performance, Payment, Hospital Readmissions, Quality Improvement, Quality of Care, Surgery, Medicare, Medicaid
Liao JM, Huang Q, Wang E
Performance of physician groups and hospitals participating in bundled payments among Medicare beneficiaries.
This cohort study compared how physician group practices (PGPs) performed in bundled payments compared with hospitals. The authors used 2011 to 2018 Medicare claims data to compare the association of participants in the Bundled Payments for Care Improvement (BCPI) initiative with episode outcomes. Primary outcome was 90-day total episode spending. The total sampled comprised data from 1,288,781 Medicare beneficiaries, of whom mean age was 76.2 years, 59.7% women, and 85.5% White, with 592,071 individuals receiving care from 6405 physicians in in BPCI-participating PGPs and 24,758 propensity-matched physicians in non-BPCI-participating PGPs. For PGPs, BPCI participation was associated with greater reductions in episode spending for surgical (difference, -$1648 to -$1088) but not for medical episodes (difference, -$410 to $206). Hospital participation in BPCI was associated with greater reductions in episode spending for both surgical ($1345 to -$675) and medical -$1139 to -$386) episodes.
AHRQ-funded; HS027595.
Citation: Liao JM, Huang Q, Wang E .
Performance of physician groups and hospitals participating in bundled payments among Medicare beneficiaries.
JAMA Health Forum 2022 Dec 2; 3(12):e224889. doi: 10.1001/jamahealthforum.2022.4889..
Keywords: Provider Performance, Payment, Hospitals, Medicare, Quality of Care
Anderson TS, Marcantonio ER, McCarthy EP
Association of diagnosed dementia with post-discharge mortality and readmission among hospitalized Medicare beneficiaries.
The purpose of this retrospective cohort study was to examine whether patients with dementia have a higher risk of adverse outcomes post-discharge. The researchers included Medicare beneficiaries hospitalized in 2016 and evaluated the co-primary outcomes of mortality and readmission within 30 days of hospital discharge. The final cohort included 1,089,109 hospitalizations of which 19.3% were of patients with diagnosed dementia and 886,411 were of patients without dementia. The study found that at 30 days following discharge, 5.7% of patients with dementia had died compared to 3.1% of patients without dementia. At 30 days following discharge, 17.7% of patients with dementia had been readmitted compared to 13.1% of patients without dementia. Patients with dementia who were discharged to the community had an increased likelihood of being readmitted than those who were discharged to nursing facilities, and, when readmitted, had an increased likelihood of dying during the readmission. The study concluded that diagnosed dementia was related with a substantially increased risk of mortality and a modestly increased risk of readmission within 30 days of discharge.
AHRQ-funded; HS026215.
Citation: Anderson TS, Marcantonio ER, McCarthy EP .
Association of diagnosed dementia with post-discharge mortality and readmission among hospitalized Medicare beneficiaries.
J Gen Intern Med 2022 Dec;37(16):4062-70. doi: 10.1007/s11606-022-07549-7..
Keywords: Dementia, Neurological Disorders, Medicare, Elderly, Hospital Readmissions, Mortality
Likosky DS, Yang G, Zhang M
Interhospital variability in health care-associated infections and payments after durable ventricular assist device implant among Medicare beneficiaries.
The purpose of this study was to examine differences in durable ventricular assist device implantation infection rates and associated costs across hospitals. The researchers utilized clinical data for 8,688 patients who received primary durable ventricular assist devices from the Society of Thoracic Surgeons Interagency Registry for Mechanically Assisted Circulatory Support (Intermacs) hospitals (n = 120) and merged that data with post-implantation 90-day Medicare claims. The primary outcome included infections within 90 days of implantation and Medicare payments. The study found that 27.8% of patients developed 3982 identified infections. The median adjusted incidence of infections (per 100 patient-months) across hospitals was 14.3 and differed according to hospital. Total Medicare payments from implantation to 90 days were 9.0% more in high versus low infection tercile hospitals. The researchers concluded that health-care-associated infection rates post durable ventricular assist device implantation varied according to hospital and were associated with increased 90-day Medicare expenditures.
AHRQ-funded; HS026003.
Citation: Likosky DS, Yang G, Zhang M .
Interhospital variability in health care-associated infections and payments after durable ventricular assist device implant among Medicare beneficiaries.
J Thorac Cardiovasc Surg 2022 Nov;164(5):1561-68. doi: 10.1016/j.jtcvs.2021.04.074..
Keywords: Healthcare-Associated Infections (HAIs), Medical Devices, Medicare, Heart Disease and Health, Cardiovascular Conditions, Hospitals, Payment, Healthcare Costs
Chatterjee P, Liao JM, Wang E
Characteristics, utilization, and concentration of outpatient care for dual-eligible Medicare beneficiaries.
The purpose of this study was to describe the distribution of outpatient care for dual-eligible Medicare beneficiaries ("duals") and characterize the intensity of outpatient care utilization of duals vs non-dual-eligible beneficiaries ("nonduals"). The researchers assessed the distribution of outpatient care across physician practices and compared the use of different outpatient services between duals and nonduals. The study found that nearly 80% of outpatient visits for duals were provided by 35% of practices. Compared with low-dual and no-dual practices, high-dual practices served more patients, with morhe comorbidities. Duals had 2 less outpatient visits per year compared with nonduals with substantially fewer subspecialty care visits despite having more comorbidities.
AHRQ-funded; HS027595.
Citation: Chatterjee P, Liao JM, Wang E .
Characteristics, utilization, and concentration of outpatient care for dual-eligible Medicare beneficiaries.
Am J Manag Care 2022 Oct;28(10):e370-e77. doi: 10.37765/ajmc.2022.89189..
Keywords: Ambulatory Care and Surgery, Medicare, Medicaid, Care Management, Healthcare Utilization
Glynn A, Hernandez I, Roberts ET
Consequences of forgoing prescription drug subsidies among low-income Medicare beneficiaries with diabetes.
This study’s objective was to estimate the take-up of the Medicare Part D Low-Income Subsidy (LIS) among Medicare beneficiaries with diabetes and examine differences in out-of-pocket costs and prescription drug use between LIS enrollees and LIS-eligible non-enrollees. Data from the Health and Retirement Study linked to Medicare administrative data from 2008 to 2016 was used. The authors first estimated LIS take-up stratified by income (≤100% of the Federal Poverty Level [FPL] and >100% to ≤150% of FPL). Second, to assess the consequences of forgoing the LIS among near-poor beneficiaries (incomes >100% to ≤150% of FPL), they conducted propensity score-weighted regression analyses to compare out-of-pocket costs, prescription drug use, and cost-related medication non-adherence among LIS enrollees and LIS-eligible non-enrollees. Among Medicare beneficiaries with diabetes, 68.1% of those considered near-poor (incomes >100% to ≤150% of FPL) received the LIS, compared to 90.3% of those with incomes ≤100% of FPL. Among near-poor beneficiaries, LIS-eligible non-enrollees incurred higher annual out-of-pocket drug spending ($518], filled 7.3 fewer prescriptions for diabetes, hypertension, and hyperlipidemia drugs, and were 8.9 percentage points more likely to report skipping drugs due to cost. all compared to LIS enrollees.
AHRQ-funded; HS026727.
Citation: Glynn A, Hernandez I, Roberts ET .
Consequences of forgoing prescription drug subsidies among low-income Medicare beneficiaries with diabetes.
Health Serv Res 2022 Oct;57(5):1136-44. doi: 10.1111/1475-6773.13990..
Keywords: Medication, Diabetes, Chronic Conditions, Low-Income, Medicare, Healthcare Costs
Li J, Wu B, Flory J
Impact of the Affordable Care Act's Physician Payments Sunshine Act on branded statin prescribing.
The purpose of this study was to assess the impact of the Affordable Care Act's Physician Payments Sunshine Act (PPSA) and its mandate of disclosing pharmaceutical and medical industry payments to physicians for prescribing branded statins. The study found that the PPSA contributed to a 7% decrease in monthly new prescriptions of brand-name statins over the study period. There was no significant change in generic prescribing. The reduction was concentrated among physicians with the highest tercile of drug spending prior to the enactment of the PPSA, with a decrease of 15% in new branded statin prescriptions. The researchers concluded that the PPSA mandate reduced the prescribing of branded statin prescriptions in the time period following its announcement, especially in physicians who were taking part in excessive prescribing of the branded statins.
AHRQ-funded; HS027001.
Citation: Li J, Wu B, Flory J .
Impact of the Affordable Care Act's Physician Payments Sunshine Act on branded statin prescribing.
Health Serv Res 2022 Oct;57(5):1145-53. doi: 10.1111/1475-6773.14024..
Keywords: Payment, Policy, Medicare, Health Insurance
Friedman HR, Holmes GM
Rural Medicare beneficiaries are increasingly likely to be admitted to urban hospitals.
This study looked at trends in admission to urban hospitals by rural Medicare FFS beneficiaries from 2010 to 2018. The authors combined data from the 2010 to 2018 Hospital Service Area File (HSAF) and the 2010-2017 American Hospital Association (AHA) survey. They found that controlling for distance to the nearest hospitals, an increase of 1 year was associated with a 2.0% increase in the number of admissions to urban hospitals from each rural ZIP code. New system affiliation of the nearest rural hospital was associated with an increase of 1.7%.
AHRQ-funded; HS000032.
Citation: Friedman HR, Holmes GM .
Rural Medicare beneficiaries are increasingly likely to be admitted to urban hospitals.
Health Serv Res 2022 Oct;57(5):1029-34. doi: 10.1111/1475-6773.14017..
Keywords: Medicare, Rural Health, Hospitals, Access to Care
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
Roberts ET, Mellor JM
Differences in care between special needs plans and other Medicare coverage for dual eligibles.
This study compared access to, use of, and satisfaction with care among dual eligibles enrolled in Dual Eligible Special Needs Plans (D-SNPs) versus those enrolled in Medicare Advantage (MA) plans and traditional Medicare. Findings showed that, compared with those in traditional Medicare, dual eligibles generally reported greater access to care, preventive service use, and satisfaction with care in D-SNPs. There were, however, fewer differences in these outcomes among dual eligibles in D-SNPs versus other MA plans. Overall, these findings suggested that D-SNPs altogether have not provided consistently superior or more equitable care, and they highlight areas where federal and state policy could strengthen incentives for D-SNPs to improve care.
AHRQ-funded; HS026727; HS025422.
Citation: Roberts ET, Mellor JM .
Differences in care between special needs plans and other Medicare coverage for dual eligibles.
Health Aff 2022 Sep;41(9):1238-47. doi: 10.1377/hlthaff.2022.00463..
Keywords: Medicare, Medicaid, Health Insurance, Access to Care
Oronce CIA, Arbanas JC, Leng M
Estimated wasteful spending on aducanumab dispensing in the U.S. Medicare population: a cross-sectional analysis.
The purpose of this study was to quantify the amount of aducanumab that is discarded because of vial dose size and calculate the potential Medicare savings that could be created by changing the vial size and drug weight to make dispensing more efficient and reduce the amount of discarded drug. The researchers calculated estimates for the monthly amount of discarded drug for each study participant, and then annualized the estimates. Costs were calculated using the 300 mg vial price, which is the larger of the two vial sizes currently available, and calculations were then made for simulated vials in three combinations (100 and 170 mg; 170 and 250mg; and 80mg, 170, and 300 mg.) Costs for each combination were then calculated. The study found that assuming a 10% drug uptake, the equivalent of between 132,398 and 694,258 vials of aducanumab would be discarded costing Medicare between $115.4 million and $604.9
million each year. If the 300 mg/3.0 ml vial was reduced to 100 mg/1.0 ml, Medicare savings would range between $70.9 and $369.0 million per year. The researchers concluded that reducing aducanumab vial size could decrease wasteful spending from discarded vials by over 60%.
million each year. If the 300 mg/3.0 ml vial was reduced to 100 mg/1.0 ml, Medicare savings would range between $70.9 and $369.0 million per year. The researchers concluded that reducing aducanumab vial size could decrease wasteful spending from discarded vials by over 60%.
AHRQ-funded; HS026498.
Citation: Oronce CIA, Arbanas JC, Leng M .
Estimated wasteful spending on aducanumab dispensing in the U.S. Medicare population: a cross-sectional analysis.
J Am Geriatr Soc 2022 Sep;70(9):2714-18. doi: 10.1111/jgs.17891..
Keywords: Medicare, Healthcare Costs, Medication
Spivack SB, DeWalt D, Oberlander J
The association of readmission reduction activities with primary care practice readmission rates.
This study examined the relationship between practices' readmission reduction activities and their readmission rates. Findings showed that primary care practices that engaged in more readmission reduction activities had lower readmission rates, suggesting that engaging in multiple activities, rather than any single activity, is associated with decreased readmissions.
AHRQ-funded; HS024075.
Citation: Spivack SB, DeWalt D, Oberlander J .
The association of readmission reduction activities with primary care practice readmission rates.
J Gen Intern Med 2022 Sep;37(12):3005-12. doi: 10.1007/s11606-021-07005-y..
Keywords: Primary Care, Medicare
Duan KI, Wong ES, Liao JM
Long-term trends in home respiratory medical equipment among U.S. Medicare patients.
The purpose of this study was to explore how respiratory durable medical equipment (DME) supply has changed since Medicare implemented the Competitive Bidding Program (CBP) in 2011and increased the scale of the program nationally in 2013 and 2016. The researchers analyzed all publicly available nationwide Medicare DME data from 2013 to 2019 and analyzed all respiratory DME included in the CBP (excluding accessories such as masks, tubing, and filters). The researchers found that the three highest-volume respiratory DME products were stationary oxygen concentrators, continuous positive airway pressure (CPAP) devices, and gaseous portable oxygen. Decreases in suppliers across all items and increases in claims per supplier for the majority of items suggest greater market concentration of respiratory DME suppliers for Medicare beneficiaries. Even as the Medicare population expanded by 2.6% between 2013 and 2019, the number of patients receiving home oxygen decreased, results that could represent reduced access to home oxygen DME. Finally, in contrast to declines in use for most home oxygen items, the percentage of Medicare beneficiaries using portable oxygen concentrators and CPAP devices increased significantly. The researchers conclude that this analysis addresses a critical knowledge gap and highlights the need for future work evaluating how policies such as the CBP affect respiratory DME access and outcomes.
AHRQ-funded; HS026369.
Citation: Duan KI, Wong ES, Liao JM .
Long-term trends in home respiratory medical equipment among U.S. Medicare patients.
Am J Respir Crit Care Med 2022 Aug 15;206(4):509-11. doi: 10.1164/rccm.202202-0238LE..
Keywords: Home Healthcare, Medicare, Respiratory Conditions
Nguyen JK, Sanghavi P
A national assessment of legacy versus new generation Medicaid data.
The purpose of the study was to review Medicaid legacy, Medicaid new generation, and Medicare claims across multiple states and compare performance on data analytic tasks. The researchers targeted the series of events that begins with a non-hospital-related medical emergency and ends with survival to discharge or death. Six data quality indicators were developed to evaluate the following: ambulance variables; code reporting for external cause of injury; linkage between claims; and death reporting on hospital discharge status codes. For death reporting on hospital discharge status codes the researchers estimated the severity of injuries and developed a model of its correlation with death in the Medicare population. The resulting model was utilized to compare reported versus expected deaths by level of injury severity in the Medicaid population. The study found that new generation Medicare claims had high performance across states and indicators, Medicaid legacy claims underperformed on multiple indicators in most states, and while new generation Medicaid claims outperformed Medicaid legacy claims on several indicators, conducting high-level analysis with that data will require substantial improvements.
AHRQ-funded; HS025720.
Citation: Nguyen JK, Sanghavi P .
A national assessment of legacy versus new generation Medicaid data.
Health Serv Res 2022 Aug;57(4):944-56. doi: 10.1111/1475-6773.13937..
Keywords: Medicaid, Medicare, Care Management
Temkin-Greener H, Mao Y, McGarry B
Health care use and outcomes in assisted living communities: race, ethnicity, and dual eligibility.
The purpose of this study was to examine the type and quality of care received in residential long-term care setting by racial/ ethnic minorities or residents eligible for dual Medicare and Medicaid. With 2018 Medicare data, the researchers identified 255,564 fee-for-service Medicare beneficiaries over the age of 55 who were living in 24,108 assisted living facilities across the United States and evaluated the relationship between race/ethnicity and dual status with emergency room use, inpatient hospital admission, 30-day readmission, and placement in a nursing home. The study found variations within and across assisted living facilities for racial/ethnic minority and dual residents, suggesting that outcome disparities are the most significant by dual eligibility status instead of only race/ ethnicity. The researchers concluded that these results can be used to inform and guide future research, as well as healthcare providers and policy makers.
AHRQ-funded; HS026893.
Citation: Temkin-Greener H, Mao Y, McGarry B .
Health care use and outcomes in assisted living communities: race, ethnicity, and dual eligibility.
Med Care Res Rev 2022 Aug;79(4):500-10. doi: 10.1177/10775587211050189..
Keywords: Elderly, Racial and Ethnic Minorities, Long-Term Care, Medicare
Waters TM, Burns N, Kaplan CM
Combined impact of medicare's hospital pay for performance programs on quality and safety outcomes is mixed.
The authors examined the combined impact of Medicare's pay for performance (P4P) programs on clinical areas and populations targeted by the programs, as well as those outside their focus. Using HCUP data, and consistent with previous studies for individual programs, they detected minimal, if any, effect of Medicare's hospital P4P programs on quality and safety. They recommended a redesigning of the P4P programs before continuing to expand them.
AHRQ-funded; HS025148.
Citation: Waters TM, Burns N, Kaplan CM .
Combined impact of medicare's hospital pay for performance programs on quality and safety outcomes is mixed.
BMC Health Serv Res 2022 Jul 28;22(1):958. doi: 10.1186/s12913-022-08348-w..
Keywords: Healthcare Cost and Utilization Project (HCUP), Medicare, Payment, Provider Performance, Hospitals, Quality Indicators (QIs), Quality Measures, Quality Improvement, Quality of Care, Patient Safety
Chao GF, Chhabra KR, Yang J
Bariatric surgery in Medicare patients: examining safety and healthcare utilization in the disabled and elderly.
The purpose of this study was to compare safety and healthcare use after sleeve gastrectomy versus Roux-en-Y gastric bypass in a national Medicare cohort. The researchers analyzed Medicare claims from 2012-2017 for 30,105 bariatric surgery patients receiving benefits due to age or disability and compared all outcomes between sleeve and bypass for each benefit group at 30 days, 1 year, and 3 years. The study found that among the disabled patients (n = 21,595), sleeve gastrectomy was associated with lower 3-year ED utilization, complications, reinterventions, rehospitalizations, and mortality. Cumulative expenditures were $46,277 after sleeve gastrectomy and $48,211 after gastric bypass. Among the elderly (n = 8510), sleeve was associated with lower 3-year ED utilization, complications, reinterventions, and rehospitalizations. Expenditures were $38,632 after sleeve gastrectomy and $39,270 after gastric bypass. Procedure treatment effect significantly differed by benefit group for paraesophageal hernia repair, revision, and mortality. The study concluded that healthcare utilization benefits of sleeve over bypass are maintained across Medicare elderly populations and Medicare disabled subpopulations.
AHRQ-funded; HS025778.
Citation: Chao GF, Chhabra KR, Yang J .
Bariatric surgery in Medicare patients: examining safety and healthcare utilization in the disabled and elderly.
Ann Surg 2022 Jul 1;276(1):133-39. doi: 10.1097/sla.0000000000004526..
Keywords: Obesity: Weight Management, Obesity, Surgery, Medicare, Elderly, Disabilities
Anderson KE, Alexander GC, Ma C
Medicare Advantage coverage restrictions for the costliest physician-administered drugs.
This study examined the use of step therapy, prior authorization, and Part D formulary exclusion by 4 large Medicare Advantage (MA) insurers to manage 20 physician-administered drugs with the highest total Medicare expenditures (top 20 drugs). The authors used data from United Healthcare, CVS/Aetna, Humana, and Kaiser plans to create a database of 2020 Part B coverage restrictions and conducted a retrospective analysis of 2018-2020 Part D formularies. For each insurer, they calculated the number of top 20 physician-administered drugs subject to prior authorization and step therapy. Among the 4 insurers, 16 physician-administered drugs were covered on all or some of the Part D formularies in 2018, which decreased to 6 in 2020.
AHRQ-funded; HS000029.
Citation: Anderson KE, Alexander GC, Ma C .
Medicare Advantage coverage restrictions for the costliest physician-administered drugs.
Am J Manag Care 2022 Jul;28(7):e255-e62. doi: 10.37765/ajmc.2022.89184..
Keywords: Medicare, Health Insurance, Medication
