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AHRQ Research Studies Date
Topics
- Access to Care (1)
- Cancer: Prostate Cancer (1)
- Cardiovascular Conditions (2)
- Elderly (3)
- Evidence-Based Practice (1)
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- (-) Healthcare Utilization (7)
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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 7 of 7 Research Studies DisplayedZhou 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
Chung S, Romanelli RJ, Stults CD
Preventive visit among older adults with Medicare's introduction of annual wellness visit: closing gaps in underutilization.
The study of Medicare beneficiaries aged 65 to 85 from a mixed-payer multispecialty outpatient healthcare organization in northern California between 2007 and 2016, evaluated changes in preventive visit utilization with Medicare's introduction of Annual Wellness Visits (AWVs) in 2011. It further assessed how coverage expansion differentially affected older adults who were previously underutilizing the service.
AHRQ-funded; HS019815.
Citation: Chung S, Romanelli RJ, Stults CD .
Preventive visit among older adults with Medicare's introduction of annual wellness visit: closing gaps in underutilization.
Prev Med 2018 Oct;115:110-18. doi: 10.1016/j.ypmed.2018.08.018..
Keywords: Elderly, Healthcare Utilization, Medicare, Prevention
Modi PK, Kaufman SR, Borza T
Variation in prostate cancer treatment and spending among Medicare shared savings program accountable care organizations.
This study assessed whether the level of engagement in accountable care organizations (ACOs) by urologists affected rates of treatment, overtreatment, and spending. The investigators found that ACOs vary widely in treatment, potential overtreatment, and spending for prostate cancer. ACOs with stronger urologist engagement were less likely to treat men with a high risk of noncancer mortality, and this suggests that organizations that better engage specialists may be able to improve the value of specialty care.
AHRQ-funded; HS024728; HS025707; HS024525.
Citation: Modi PK, Kaufman SR, Borza T .
Variation in prostate cancer treatment and spending among Medicare shared savings program accountable care organizations.
Cancer 2018 Aug;124(16):3364-71. doi: 10.1002/cncr.31573..
Keywords: Cancer: Prostate Cancer, Healthcare Costs, Healthcare Utilization, Medicare
Angraal S, Khera R, Wang Y
Sex and race differences in the utilization and outcomes of coronary artery bypass grafting among Medicare beneficiaries, 1999-2014.
The authors sought to evaluate how the use of coronary artery bypass grafting (CABG) and its outcomes have evolved in different sex and racial subgroups. Using Medicare data, they found that women and black patients had persistently higher CABG mortality than men and white patients, respectively, despite greater declines over the time period. The authors conclude that these findings indicate progress, but further progress is needed.
AHRQ-funded; HS023000.
Citation: Angraal S, Khera R, Wang Y .
Sex and race differences in the utilization and outcomes of coronary artery bypass grafting among Medicare beneficiaries, 1999-2014.
J Am Heart Assoc 2018 Jul 12;7(14). doi: 10.1161/jaha.118.009014..
Keywords: Cardiovascular Conditions, Elderly, Evidence-Based Practice, Heart Disease and Health, Healthcare Utilization, Medicare, Outcomes, Patient-Centered Outcomes Research, Racial and Ethnic Minorities, Sex Factors
Hollingsworth JM, Nallamothu BK, Yan P
Medicare accountable care organizations are not associated with reductions in the use of low-value coronary revascularization.
This study examined national Medicare data to determine whether or not Medicare accountable care organizations are associated with reductions in the use of low-value coronary revascularization. The investigators found no association between provider group participation in a Medicare ACO and use of low- or high-value coronary revascularization.
AHRQ-funded; HS024525; HS024728.
Citation: Hollingsworth JM, Nallamothu BK, Yan P .
Medicare accountable care organizations are not associated with reductions in the use of low-value coronary revascularization.
Circ Cardiovasc Qual Outcomes 2018 Jun;11(6):e004492. doi: 10.1161/circoutcomes.117.004492..
Keywords: Cardiovascular Conditions, Healthcare Utilization, Medicare, Heart Disease and Health
Werner RM, Konetzka RT
Trends in post-acute care use among Medicare beneficiaries: 2000 to 2015.
In this research letter, the authors discuss trends in post-acute care use among Medicare beneficiaries from 2000 to 2015. The authors indicate that it is uncertain whether the use of post–acute care benefits patients. They suggest that despite its proliferation, there is little evidence that post–acute care improves key patient outcomes— preventing rehospitalizations or improving functional recovery.
AHRQ-funded; HS024266.
Citation: Werner RM, Konetzka RT .
Trends in post-acute care use among Medicare beneficiaries: 2000 to 2015.
JAMA 2018 Apr 17;319(15):1616-17. doi: 10.1001/jama.2018.2408.
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Keywords: Healthcare Utilization, Medicare
Colla CH, Morden NE, Sequist TD
Payer type and low-value care: comparing Choosing Wisely services across commercial and Medicare populations.
This study compared low-value health service use among commercially insured and Medicare populations and explored the influence of payer type on the provision of low-value care. In measuring use of seven Choosing Wisely-identified low-value services, it concluded that low-value care appears driven by factors unrelated to payer type or anticipated reimbursement.
AHRQ-funded; HS023812.
Citation: Colla CH, Morden NE, Sequist TD .
Payer type and low-value care: comparing Choosing Wisely services across commercial and Medicare populations.
Health Serv Res 2018 Apr;53(2):730-46. doi: 10.1111/1475-6773.12665.
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Keywords: Payment, Healthcare Utilization, Health Services Research (HSR), Medicare