National Healthcare Quality and Disparities Report
Latest available findings on quality of and access to health care
Data
- Data Infographics
- Data Visualizations
- Data Tools
- Data Innovations
- All-Payer Claims Database
- Healthcare Cost and Utilization Project (HCUP)
- Medical Expenditure Panel Survey (MEPS)
- AHRQ Quality Indicator Tools for Data Analytics
- State Snapshots
- United States Health Information Knowledgebase (USHIK)
- Data Sources Available from AHRQ
Search All Research Studies
AHRQ Research Studies Date
Topics
- Access to Care (3)
- Ambulatory Care and Surgery (1)
- Behavioral Health (2)
- Disparities (1)
- Healthcare Cost and Utilization Project (HCUP) (1)
- Healthcare Costs (3)
- Healthcare Delivery (1)
- (-) Healthcare Utilization (8)
- (-) Health Insurance (8)
- Health Services Research (HSR) (2)
- Health Status (1)
- Hospitalization (1)
- Hospitals (2)
- Low-Income (1)
- Medicaid (3)
- Medical Expenditure Panel Survey (MEPS) (1)
- Medicare (1)
- Medication (1)
- Policy (3)
- Racial and Ethnic Minorities (1)
- Substance Abuse (1)
- Surgery (1)
- Uninsured (1)
- Young Adults (1)
AHRQ Research Studies
Sign up: AHRQ Research Studies Email updates
Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
Results
1 to 8 of 8 Research Studies DisplayedVila PM, Olsen MA, Piccirillo JF
Rates of sialoendoscopy and sialoadenectomy in 5,111 adults with private insurance.
The purpose of this study was to determine frequencies and trends in sialoendoscopy and sialoadenectomy for the treatment of obstructive, non-neoplastic submandibular salivary gland disease. Researchers conducted an epidemiologic study of insurance claims from 2006 to 2013 in a large, private insurance claims database; 5,111 adults with sialadenitis who had a sialoendoscopy or submandibular gland excision were included. The results of this study indicate that the use of sialoendoscopy procedures has increased over time, while the overall rate of sialoadenectomy has decreased, but the authors conclude that both procedures are safe for the treatment of patients with sialadenitis and sialolithiasis.
AHRQ-funded; HS019455.
Citation: Vila PM, Olsen MA, Piccirillo JF .
Rates of sialoendoscopy and sialoadenectomy in 5,111 adults with private insurance.
Laryngoscope 2019 Dec 16;129(3):602-06. doi: 10.1002/lary.27243..
Keywords: Healthcare Utilization, Health Insurance, Surgery
Holderness H, Angier H, Huguet N
Where do Oregon Medicaid Enrollees seek outpatient care post-Affordable Care Act Medicaid expansion?
The purpose of this study was to understand where Oregon Medicaid beneficiaries sought care after the Patient Protection and Affordable Care Act Medicaid expansion (emergency department, primary care, or specialist) and the interaction between primary care establishment and outpatient care utilization. Results showed that most newly and returning-insured Medicaid enrollees sought primary care rather than emergency department services and most became established with primary care, suggesting that both insurance and primary care continuity play a role in where patients seek health care services.
AHRQ-funded; HS024270.
Citation: Holderness H, Angier H, Huguet N .
Where do Oregon Medicaid Enrollees seek outpatient care post-Affordable Care Act Medicaid expansion?
Med Care 2019 Oct;57(10):788-94. doi: 10.1097/mlr.0000000000001189..
Keywords: Access to Care, Ambulatory Care and Surgery, Health Insurance, Healthcare Utilization, Medicaid, Policy
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
Biener AI, Zuvekas SH
AHRQ Author: Zuvekas SH
Do racial and ethnic disparities in health care use vary with health?
Researchers used Medical Expenditure Panel Survey (MEPS) data from 2010-2014 to evaluate health care use between black-white and Hispanic-white adults. They found that there was the widest disparity in health care use in adults in excellent health between Hispanics and whites but the opposite was true for blacks and whites. Differences are attributed to health insurance coverage and access to health care overall.
AHRQ-authored.
Citation: Biener AI, Zuvekas SH .
Do racial and ethnic disparities in health care use vary with health?
Health Serv Res 2019 Feb;54(1):64-74. doi: 10.1111/1475-6773.13087..
Keywords: Access to Care, Disparities, Healthcare Utilization, Health Insurance, Health Status, Medical Expenditure Panel Survey (MEPS), Racial and Ethnic Minorities
Ghosh A, Simon K, Sommers BD
The effect of health insurance on prescription drug use among low-income adults: evidence from recent Medicaid expansions.
This study examined how subsidized coverage affected prescription drug utilization among low-income non-elderly adults. Among other results, the investigators found that within the first 15 months of new health insurance availability, aggregate Medicaid-paid prescriptions increased 19 percent, amounting to nearly 9 new prescriptions a year, per new enrollee. They also found no evidence of reductions in uninsured or privately-insured prescriptions, suggesting that new coverage did not simply substitute for other payment sources.
AHRQ-funded; HS021291.
Citation: Ghosh A, Simon K, Sommers BD .
The effect of health insurance on prescription drug use among low-income adults: evidence from recent Medicaid expansions.
J Health Econ 2019 Jan;63:64-80. doi: 10.1016/j.jhealeco.2018.11.002..
Keywords: Health Insurance, Healthcare Utilization, Low-Income, Medicaid, Medication
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
Schoenbaum M, Sutherland JM, Chappel A
AHRQ Author: Sutherland JM
Twelve-month health care use and mortality in commercially insured young people with incident psychosis in the United States.
This study assessed 12-month mortality and patterns of outpatient and inpatient treatment among young people experiencing an incident episode of psychosis in the United States. The hugely elevated mortality observed, when compared to the general population, underscores that young people experiencing psychosis warrant intensive clinical attention-yet the researchers found low rates of pharmacotherapy and limited use of psychosocial treatment.
AHRQ-authored.
Citation: Schoenbaum M, Sutherland JM, Chappel A .
Twelve-month health care use and mortality in commercially insured young people with incident psychosis in the United States.
Schizophr Bull 2017 Oct;43(6):1262-72. doi: 10.1093/schbul/sbx009.
.
.
Keywords: Healthcare Utilization, Health Insurance, Health Services Research (HSR), Behavioral Health, Young Adults
Friedman S, Xu H, Harwood JM
The Mental Health Parity and Addiction Equity Act evaluation study: impact on specialty behavioral healthcare utilization and spending among enrollees with substance use disorders.
The purpose of this study was to determine whether Mental Health Parity and Addiction Equity Act (MHPAEA) was associated with increased behavioral health expenditures and utilization among a population with substance use disorder (SUD) diagnoses. The investigators found that MHPAEA was associated with modest increases in total, plan, and patient out-of-pocket spending and outpatient and inpatient utilization.
AHRQ-funded; HS024866.
Citation: Friedman S, Xu H, Harwood JM .
The Mental Health Parity and Addiction Equity Act evaluation study: impact on specialty behavioral healthcare utilization and spending among enrollees with substance use disorders.
J Subst Abuse Treat 2017 Sep;80:67-78. doi: 10.1016/j.jsat.2017.06.006..
Keywords: Behavioral Health, Healthcare Costs, Healthcare Utilization, Health Insurance, Policy, Health Services Research (HSR), Substance Abuse