National Healthcare Quality and Disparities Report
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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
151 to 175 of 359 Research Studies DisplayedDy CJ, Tipping AD, Nickel KB
Variation in the delivery of inpatient orthopaedic care to Medicaid beneficiaries within a single metropolitan region.
This study examined rates of Medicaid-funded surgical procedures for orthopedic patients. The authors hypothesized that orthopedists and hospitals are often unwilling to perform surgery on underinsured patients. The payer mix was examined for select inpatient orthopedic surgical procedures within a single region, including elective cases (total knee or hip arthroplasty; spinal decompression or fusion) and trauma cases (hip hemiarthroplasty; femoral or tibial or fibular fracture repair) among 22 hospitals from 2011 to 2016 for patients aged 18 to 64 years. For all cases (n = 19,204) the mean percentage of Medicaid-funded surgical procedures was 7.6%. Elective surgery cases were 5.5% and trauma cases 14.7% which supports their beliefs about delivery rates of orthopedic care on the basis of socioeconomic markers.
AHRQ-funded; HS019455.
Citation: Dy CJ, Tipping AD, Nickel KB .
Variation in the delivery of inpatient orthopaedic care to Medicaid beneficiaries within a single metropolitan region.
J Bone Joint Surg Am 2019 Aug 21;101(16):1451-59. doi: 10.2106/jbjs.18.01198.
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Keywords: Orthopedics, Healthcare Delivery, Medicaid, Surgery, Access to Care, Disparities, Health Insurance
Pickens G, Karaca Z, Gibson TB
AHRQ Author: Karaca Z, Wong HS
Changes in hospital service demand, cost, and patient illness severity following health reform.
This study examined the effects of expanded Medicaid coverage and the health insurance exchange on the number of hospital inpatient and emergency department (ED) utilization rates, cost, and patient illness severity. There was a significant drop in uninsured inpatient discharges and ED visits in states where Medicaid was expanded. For all by young females, uninsured inpatient discharge rates fell by 39% or greater. In nonexpansion states, the rates remained unchanged or increased slightly. Changes in all-payer and private insurance rates were not as dramatic, as was inpatient costs per discharge and all-payer inpatient costs.
AHRQ-authored; AHRQ-funded; 290201300002C.
Citation: Pickens G, Karaca Z, Gibson TB .
Changes in hospital service demand, cost, and patient illness severity following health reform.
Health Serv Res 2019 Aug;54(4):739-51. doi: 10.1111/1475-6773.13165..
Keywords: Access to Care, Health Insurance, Healthcare Cost and Utilization Project (HCUP), Healthcare Costs, Healthcare Utilization, Hospitals, Medicaid, Policy, Uninsured
Gorges RJ, Sanghavi P, Konetzka RT
A national examination of long-term care setting, outcomes, and disparities among elderly dual eligibles.
The authors investigated the outcomes of expanding Medicaid funding for long-term care home and community-based services (HCBS). Using national Medicaid claims data on older adults enrolled in both Medicare and Medicaid, they found that overall hospitalization rates were similar for HCBS and nursing facility users. They concluded that home and community-based services need to be carefully targeted to avoid adverse outcomes and that the racial/ethnic disparities in access to high-quality institutional long-term care are also present in HCBS.
AHRQ-funded; HS000084.
Citation: Gorges RJ, Sanghavi P, Konetzka RT .
A national examination of long-term care setting, outcomes, and disparities among elderly dual eligibles.
Health Aff 2019 Jul;38(7):1110-18. doi: 10.1377/hlthaff.2018.05409..
Keywords: Elderly, Medicaid, Medicare, Long-Term Care, Home Healthcare, Disparities, Racial and Ethnic Minorities
Roberts ET, Hayley Welsh J, Donohue JM
Association of state policies with Medicaid disenrollment among low-income Medicare beneficiaries.
This study examined the role that state policies play in Medicaid disenrollment among low-income Medicare beneficiaries. Medicaid disenrollment among fee-for-service Medicare beneficiaries was examined for the period 2012-2016. During that period, 18.2% of beneficiaries disenrolled for reasons other than death. Disenrollment was 24% lower in states that automatically enrolled recipients of the Supplemental Security Income program in full Medicaid, 33% lower in states with more generous provider payment policies, and 37% lower in states with less restrictive asset limits for partial Medicaid.
AHRQ-funded; HS026727.
Citation: Roberts ET, Hayley Welsh J, Donohue JM .
Association of state policies with Medicaid disenrollment among low-income Medicare beneficiaries.
Health Aff 2019 Jul;38(7):1153-62. doi: 10.1377/hlthaff.2018.05165..
Keywords: Medicare, Medicaid, Low-Income, Policy, Vulnerable Populations
Heintzman J, Cottrell E, Angier H
Impact of alternative payment methodology on primary care visits and scheduling.
The authors used electronic health record data to evaluate the impact of Oregon’s Alternative Payment Methodology (APM) on visit and scheduling metrics in the first wave of experiment clinics. They found that APM clinics experienced a greater increase in same-day visits but did not significantly differ from comparators in other visit metrics.
AHRQ-funded; HS022651.
Citation: Heintzman J, Cottrell E, Angier H .
Impact of alternative payment methodology on primary care visits and scheduling.
J Am Board Fam Med 2019 Jul-Aug;32(4):539-49. doi: 10.3122/jabfm.2019.04.180368..
Keywords: Payment, Medicaid, Health Insurance, Policy
Huguet N, Angier H, Rdesinski R
Cervical and colorectal cancer screening prevalence before and after Affordable Care Act Medicaid expansion.
This study assessed changes in the prevalence of cervical and colorectal cancer screening from before and after the Affordable Care Act in Medicaid expansion and non-expansion states among patients seen in community health centers. Results showed that, despite increased prevalences of cervical and colorectal cancer screening in both expansion and non-expansion states across all race/ethnicity groups, rates remained suboptimal for this population of socioeconomically disadvantaged patients.
AHRQ-funded; HS024270.
Citation: Huguet N, Angier H, Rdesinski R .
Cervical and colorectal cancer screening prevalence before and after Affordable Care Act Medicaid expansion.
Prev Med 2019 Jul;124:91-97. doi: 10.1016/j.ypmed.2019.05.003..
Keywords: Cancer, Cancer: Cervical Cancer, Cancer: Colorectal Cancer, Healthcare Delivery, Healthcare Utilization, Medicaid, Policy, Prevention, Screening
Huguet N, Valenzuela S, Marino M
Following uninsured patients through Medicaid expansion: ambulatory care use and diagnosed conditions.
The authors assessed ambulatory care use and diagnosed health conditions among a cohort of community health center (CHC) patients uninsured before enactment of the Affordable Care Act (ACA) and followed them after enactment. They found that, post-ACA, 20.9% of patients remained uninsured, 15.0% gained Medicaid, 12.4% gained other insurance, and 51.7% did not have a visit. The authors concluded that a significant percentage of CHC patients remained uninsured; that many who remained uninsured had diagnosed health conditions; and that one-half continued to have three or more visits to CHCs, which continue to be essential providers for uninsured patients.
AHRQ-funded; HS024270.
Citation: Huguet N, Valenzuela S, Marino M .
Following uninsured patients through Medicaid expansion: ambulatory care use and diagnosed conditions.
Ann Fam Med 2019 Jul;17(4):336-44. doi: 10.1370/afm.2385..
Keywords: Access to Care, Ambulatory Care and Surgery, Community-Based Practice, Health Insurance, Healthcare Delivery, Medicaid, Policy, Uninsured
Coe NB, Guo J, Konetzka RT
AHRQ Author: Guo J
What is the marginal benefit of payment-induced family care? Impact on Medicaid spending and health of care recipients.
Research on home-based long-term care has centered almost solely on the costs; there has been very little, if any, attention paid to the relative benefits. This study exploited the randomization built into the Cash and Counseling Demonstration and Evaluation program that directly impacted the likelihood of having family involved in home care delivery. The investigators found that some family involvement in home-based care significantly decreased health-care utilization: lower likelihood of emergency room use, Medicaid-financed inpatient days, any Medicaid hospital expenditures, and fewer months with Medicaid-paid inpatient use.
AHRQ-authored.
Citation: Coe NB, Guo J, Konetzka RT .
What is the marginal benefit of payment-induced family care? Impact on Medicaid spending and health of care recipients.
Health Econ 2019 May;28(5):678-92. doi: 10.1002/hec.3873..
Keywords: Home Healthcare, Long-Term Care, Medicaid
Cottrell E, Darney BG, Marino M
Study protocol: a mixed-methods study of women's healthcare in the safety net after Affordable Care Act implementation - EVERYWOMAN.
In this paper, the authors describe a 5-year, mixed-methods study comparing women's contraceptive, preventive, prenatal and postpartum care before and after ACA implementation and between Medicaid expansion and non-expansion states. They conclude that the findings will be relevant to policy and practice, informing efforts that enhance the provision of timely, evidence-based reproductive care, to improve health outcomes, and to reduce disparities among women. Patient, provider and practice-level interviews will serve to contextualize their findings and to develop subsequent studies and interventions to support women's healthcare provision in community health center settings.
AHRQ-funded; HS025155.
Citation: Cottrell E, Darney BG, Marino M .
Study protocol: a mixed-methods study of women's healthcare in the safety net after Affordable Care Act implementation - EVERYWOMAN.
Health Res Policy Syst 2019 Jun 11;17(1):58. doi: 10.1186/s12961-019-0445-y..
Keywords: Women, Access to Care, Medicaid, Policy, Prevention, Maternal Care, Sexual Health
Cole ES, DiDomenico E, Cochran G
The role of primary care in improving access to medication-assisted treatment for rural Medicaid enrollees with opioid use disorder.
The authors examined the degree to which rural residents with opioid use disorder (OUD) are engaged with primary care providers (PCPs); they also described the role of rural PCPs in medication-assisted treatment (MAT) delivery, and estimated the association between enrollee distance to MAT prescribers and MAT utilization. They concluded that PCP utilization among rural Medicaid enrollees diagnosed with OUD is high, presenting a potential intervention point to treat OUD, particularly if the enrollee's PCP is located nearer than their MAT prescriber.
AHRQ-funded; HS025072.
Citation: Cole ES, DiDomenico E, Cochran G .
The role of primary care in improving access to medication-assisted treatment for rural Medicaid enrollees with opioid use disorder.
J Gen Intern Med 2019 Jun;34(6):936-43. doi: 10.1007/s11606-019-04943-6..
Keywords: Opioids, Substance Abuse, Rural Health, Medication, Access to Care, Implementation, Primary Care, Healthcare Delivery, Medicaid
Khandelwal N, White L, Curtis JR
Health insurance and out-of-pocket costs in the last year of life among decedents utilizing the ICU.
The objective of this study was to estimate out-of-pocket costs in the last year of life for individuals who required intensive care in the months prior to death and to examine how these costs vary by insurance coverage. Results showed that, across all categories of insurance coverage, out-of-pocket spending in the last 12 months of life was high and represented a significant portion of assets for many patients requiring intensive care and their families. Medicare fee-for-service alone did not insulate individuals from the financial burden of high-intensity care. Medicaid was found to provide the most complete hospital coverage of all the insurance groups, as well as significantly financing long-term care.
AHRQ-funded; HS022982.
Citation: Khandelwal N, White L, Curtis JR .
Health insurance and out-of-pocket costs in the last year of life among decedents utilizing the ICU.
Crit Care Med 2019 Jun;47(6):749-56. doi: 10.1097/ccm.0000000000003723..
Keywords: Critical Care, Elderly, Health Insurance, Healthcare Costs, Intensive Care Unit (ICU), Medicaid, Medicare
Londhe S, Ritter G, Schlesinger M
Medicaid expansion in social context: examining relationships between Medicaid enrollment and county-level food insecurity.
This study examined the relationship between states’ expansion of Medicaid and county-level food insecurity. They examined county Medicaid enrollment in early expansion states and found that increased Medicaid enrollment was associated with lower food insecurity during two expansion periods (2009-2012; 2012-2014). In California the most pronounced associations were evident in counties with the largest Medicaid expansions.
AHRQ-funded; HS017589.
Citation: Londhe S, Ritter G, Schlesinger M .
Medicaid expansion in social context: examining relationships between Medicaid enrollment and county-level food insecurity.
J Health Care Poor Underserved 2019;30(2):532-46. doi: 10.1353/hpu.2019.0033..
Keywords: Medicaid, Nutrition, Policy
O'Leary MC, Lich KH, Gu Y
Colorectal cancer screening in newly insured Medicaid members: a review of concurrent federal and state policies.
The goal of this study was to determine the impact of national and state policies enacted to increase access to Medicaid and to promote colorectal cancer (CRC) screening on newly enrolled, age-eligible Oregon Medicaid beneficiaries. 2010 - 2015 Oregon Medicaid claims data was used to conduct a cohort analysis of enrollees who turned 50 and became age-eligible for CRC screening. Individuals newly enrolled in Medicaid in 2013 or 2014 were more likely to initiate CRC screening than those enrolled by 2010, associated with the timing of policies such as Medicaid expansion and federal matching for preventive services. A primary care visit during the calendar year, one or more chronic conditions, and Hispanic ethnicity were also associated with CRC screening initiation.
AHRQ-funded; HS022981.
Citation: O'Leary MC, Lich KH, Gu Y .
Colorectal cancer screening in newly insured Medicaid members: a review of concurrent federal and state policies.
BMC Health Serv Res 2019 May 9;19(1):298. doi: 10.1186/s12913-019-4113-2..
Keywords: Access to Care, Cancer, Cancer: Colorectal Cancer, Medicaid, Policy, Prevention, Screening
Seo V, Baggett TP, Thorndike AN
Access to care among Medicaid and uninsured patients in community health centers after the Affordable Care Act.
This study assessed differences in access to care for patients at Community Health Centers (CHCs) between those with continuous Medicaid coverage and those with gaps in insurance coverage, in order to examine the role of Medicaid coverage on care patterns for those with available safety net care. Data on adult patients with continuous Medicaid coverage and those with a period without insurance coverage in the last 12 months was gathered from the 2014 Health Center Patient Survey. Reported need for various types of care, prescription drugs, or referrals to care outside of the CHC, and reports of being delayed or unable to get needed care by insurance status were examined. Patients with insurance gaps were significantly more likely to report having difficulty obtaining medical care, prescription drugs, dental care, and completing outside referrals. The authors conclude that continuous Medicaid coverage appears to mitigate barriers to care for CHC patients when compared to those who have intermittent or no insurance coverage. Policies that increase disruptions in coverage could adversely impact access to care, even among those with available safety net care.
AHRQ-funding; HS025378.
Citation: Seo V, Baggett TP, Thorndike AN .
Access to care among Medicaid and uninsured patients in community health centers after the Affordable Care Act.
BMC Health Serv Res 2019 May 8;19(1):291. doi: 10.1186/s12913-019-4124-z..
Keywords: Access to Care, Health Insurance, Medicaid, Policy, Uninsured
Fabius CD, Robison J
Differences in living arrangements among older adults transitioning into the community: examining the impact of race and choice.
The federal Money Follows the Person Rebalancing Demonstration program allows nursing home residents to use Medicaid funds for home and community-based services rather than institutional care. Race, choice in housing, and challenges faced prior to transitioning may impact living arrangements following a discharge into the community. This study examined the influence of these factors on living arrangements for 659 program participants age 65 or older.
AHRQ-funded; HS000011.
Citation: Fabius CD, Robison J .
Differences in living arrangements among older adults transitioning into the community: examining the impact of race and choice.
J Appl Gerontol 2019 Apr;38(4):454-78. doi: 10.1177/0733464816687496..
Keywords: Elderly, Transitions of Care, Racial and Ethnic Minorities, Medicaid, Nursing Homes, Home Healthcare, Healthcare Delivery
Feinstein JA, Hall M, Antoon JW
Chronic medication use in children insured by Medicaid: a multistate retrospective cohort study.
This retrospective cohort study examined the use of chronic medication (CM) use in children insured by Medicaid. The cohort included children ages 1 to 18 years from 10 states in 2014. It was grouped by the annual number of CMs (0, 1, 2-4, 5-9, and >=10). Of the over 4.5 million subjects, 18.8% used CMs, and 44% in children with a complex chronic condition. The most common CM therapeutic class was neurologic (28.8%). For children prescribed only 1 CM, the most common class is amphetamine stimulants. For children with 10 or greater CMs prescribed, antiepileptics were the most common. Increased CM use was associated with increased hospitalization and emergency department use.
AHRQ-funded; HS025138.
Citation: Feinstein JA, Hall M, Antoon JW .
Chronic medication use in children insured by Medicaid: a multistate retrospective cohort study.
Pediatrics 2019 Apr;143(4). doi: 10.1542/peds.2018-3397..
Keywords: Children/Adolescents, Chronic Conditions, Medicaid, Medication
Dy CJ, Brown DS, Maryam H
Two-state comparison of total joint arthroplasty utilization following Medicaid expansion.
The aim of this study was to determine whether Medicaid expansion was associated with increased utilization rates of total hip arthroplasty (THA) and total knee arthroplasty (TKA) in Illinois (which expanded Medicaid) relative to Missouri (which did not expand Medicaid). The investigators concluded that their study demonstrated that Medicaid expansion in Illinois was associated with increased utilization of THA and TKA. They suggested that further study is needed to understand the impact of Medicaid expansion in other states and for other procedures.
AHRQ-funded; HS019455.
Citation: Dy CJ, Brown DS, Maryam H .
Two-state comparison of total joint arthroplasty utilization following Medicaid expansion.
J Arthroplasty 2019 Apr;34(4):619-25.e1. doi: 10.1016/j.arth.2018.12.019..
Keywords: Healthcare Utilization, Medicaid, Orthopedics, Surgery
Angier H, Ezekiel-Herera D, Marino M
Racial/ethnic disparities in health insurance and differences in visit type for a population of patients with diabetes after Medicaid Expansion.
Racial/ethnic disparities in health insurance and differences in visit type for a population of patients with diabetes after Medicaid Expansion.
AHRQ-funded; HS024270.
Citation: Angier H, Ezekiel-Herera D, Marino M .
Racial/ethnic disparities in health insurance and differences in visit type for a population of patients with diabetes after Medicaid Expansion.
J Health Care Poor Underserved 2019;30(1):116-30. doi: 10.1353/hpu.2019.0011.
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Keywords: Access to Care, Diabetes, Disparities, Health Insurance, Medicaid, Racial and Ethnic Minorities
Timbie JW, Kranz AM, Mahmud A
Specialty care access for Medicaid enrollees in expansion states.
The goal of this study was to assess current levels of difficulty accessing specialty care for patients at community health centers (CHCs) by insurance type, in order to identify specific barriers and the strategies that CHCs use to overcome these barriers. A cross-sectional survey was administered to medical directors at CHCs in nine states as well as the District of Columbia, all of which had expanded Medicaid. Among the barriers reported by CHCs were few specialists in Medicaid managed care organization (MCO) networks accepting new patients and MCO administrative requirements for obtaining specialist consults. Strategies to enhance access to specialists included entering into referral agreements, developing appointment reminder systems, and participation in data exchange and other community-based initiatives. The authors conclude that payment policies and network adequacy rules may need to be reexamined to address these challenges.
AHRQ-funded; HS024067.
Citation: Timbie JW, Kranz AM, Mahmud A .
Specialty care access for Medicaid enrollees in expansion states.
Am J Manag Care 2019 Mar;25(3):e83-e87..
Keywords: Access to Care, Community-Based Practice, Healthcare Delivery, Medicaid
Mehra R, Cunningham SD, Lewis JB
Recommendations for the pilot expansion of Medicaid coverage for doulas in New York state.
AHRQ-funded; HS017589.
Citation: Mehra R, Cunningham SD, Lewis JB .
Recommendations for the pilot expansion of Medicaid coverage for doulas in New York state.
Am J Public Health 2019 Feb;109(2):217-19. doi: 10.2105/ajph.2018.304797..
Keywords: Medicaid, Pregnancy, Maternal Care, Health Insurance, Healthcare Costs, Prevention, Women, Disparities
Davis MM, Shafer P, Renfro S
Does a transition to accountable care in Medicaid shift the modality of colorectal cancer testing?
This study investigated whether Medicaid expansion due to the Affordable Care Act (ACA) increased the number of patients who tested for colorectal cancer (CRC). Results in Oregon showed that there was an increased in statewide fecal testing mainly in Coordinated Care Organizations (CCOs).
AHRQ-funded; HS022981.
Citation: Davis MM, Shafer P, Renfro S .
Does a transition to accountable care in Medicaid shift the modality of colorectal cancer testing?
BMC Health Serv Res 2019 Jan 21;19(1):54. doi: 10.1186/s12913-018-3864-5..
Keywords: Cancer: Colorectal Cancer, Healthcare Utilization, Medicaid, Prevention, Screening
Weech-Maldonado R, Lord J, Pradhan R
High Medicaid nursing homes: organizational and market factors associated with financial performance.
The purpose of this study was to examine the organizational and market factors that may be associated with better financial performance among high Medicaid nursing homes. Data sources included Long-Term Care Focus (LTCFocus), Centers for Medicare and Medicaid Services' (CMS) Medicare Cost Reports, CMS Nursing Home Compare, and the Area Health Resource File (AHRF) for 2009-2015. Higher financial performing facilities were characterized as having nurse practitioners/physician assistants, more beds, higher occupancy rate, higher Medicare and Medicaid census, and being for-profit and located in less competitive markets.
AHRQ-funded; HS023345; HS013852.
Citation: Weech-Maldonado R, Lord J, Pradhan R .
High Medicaid nursing homes: organizational and market factors associated with financial performance.
Inquiry 2019 Jan-Dec;56:46958018825061. doi: 10.1177/0046958018825061..
Keywords: Nursing Homes, Medicaid, Medicare
Abdus S, Decker SL
AHRQ Author: Abdus S, Decker SL
Association between Medicaid adult nonemergency dental benefits and dental services use and expenditures.
AHRQ researchers compared nonemergency dental services use in states with and without Medicaid adult nonemergency dental benefits. Dental use increased in states with the Medicaid dental benefit. Out-of-pocket expenses decreased approximately 19 percent in covered states.
AHRQ-authored.
Citation: Abdus S, Decker SL .
Association between Medicaid adult nonemergency dental benefits and dental services use and expenditures.
J Am Dent Assoc 2019 Jan;150(1):24-33. doi: 10.1016/j.adaj.2018.08.010..
Keywords: Dental and Oral Health, Healthcare Costs, Healthcare Utilization, Medicaid, Medical Expenditure Panel Survey (MEPS)
Anderson VR, Ouyang F, Tu W
Medicaid coverage and continuity for juvenile justice-involved youth.
This retrospective cohort study examined Medicaid coverage and continuity for youth with varying levels of justice system involvement and the impact of a policy change allowing Medicaid suspension, rather than termination. The study highlighted the importance of maximizing opportunities to keep youth enrolled, as gaps in coverage likely affect juveniles' access to physical, mental, and behavioral health care.
AHRQ-funded; HS022681.
Citation: Anderson VR, Ouyang F, Tu W .
Medicaid coverage and continuity for juvenile justice-involved youth.
J Correct Health Care 2019 Jan;25(1):45-54. doi: 10.1177/1078345818820043..
Keywords: Access to Care, Children/Adolescents, Medicaid, Policy, Vulnerable Populations
Liu X, Shah V, Kubilis P
Psychotropic treatment pattern in Medicaid pediatric patients with concomitant ADHD and ODD/CD.
This study analyzed the use of psychotropic treatments in children with concomitant ADHD and oppositional defiant disorder/conduct disorder (ODD/CD). The data from a cross-sectional drug utilization study based on Medicaid fee-for-service programs in 26 U.S. states from 1999 to 2006. Children ages 4 to 18 were included, with a total of 121,740 children identified. There was a period prevalence of 38.1% for “no psychotropic therapy”, 44.7% for psychotropic monotherapy, and 9% for psychotropic dual therapy. Stimulants were the most common drug class prescribed. Psychotropic combination therapy was used most with whites, males, and children in foster care.
AHRQ-funded; HS0185606.
Citation: Liu X, Shah V, Kubilis P .
Psychotropic treatment pattern in Medicaid pediatric patients with concomitant ADHD and ODD/CD.
J Atten Disord 2019 Jan;23(2):140-48. doi: 10.1177/1087054715596574..
Keywords: Children/Adolescents, Behavioral Health, Medicaid, Medication