Medical care
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We extend the literature on comorbidity measurement by developing 2 indices, based on the Elixhauser Comorbidity measures, designed to predict 2 frequently reported health outcomes: in-hospital mortality and 30-day readmission in administrative data. The Elixhauser measures are commonly used in research as an adjustment factor to control for severity of illness. ⋯ These indices are effective methods to incorporate the influence of comorbid conditions in models designed to assess the risk of in-hospital mortality and readmission using administrative data with limited clinical information, especially when small samples sizes are an issue.
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Since 1998, the Veterans Health Administration (VHA) Quality Enhancement Research Initiative (QUERI) has supported more rapid implementation of research into clinical practice. ⋯ Grounded in implementation science and evidence-based policy, QUERI serves as an example of how to operationalize core components of a Learning Health Care System, notably through rigorous evaluation and scientific testing of implementation strategies to ultimately reduce variation in quality and improve overall population health.
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The Department of Veterans Affairs (VA) is the country's largest provider for chronic hepatitis C virus (HCV) infection. The VA created the Choice Program, which allows eligible veterans to seek care from community providers, who are reimbursed by the VA. ⋯ The Choice Program has the potential to increase veteran access to HCV treatment, but veterans and VA providers have described substantial problems in the initial years of the program. Enhancing care coordination, incorporating shared decision-making, and establishing a wide network of community providers may be important areas for further development in designing community-based specialist services for needy veterans.
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Medicaid expansions aim to improve access to primary care, which could reduce nonemergent (NE) use of the emergency department (ED). In contrast, Medicaid enrollees use the ED more than other groups, including the uninsured. Thus, the expected impact of Medicaid expansion on ED use is unclear. ⋯ Medicaid expansions in California were associated with increases in ED visits paid for by Medicaid and declines in uninsured visits. Expansion was also associated with changes in NE visits among Medicaid enrollees and the uninsured.
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Safety-net and teaching hospitals are somewhat more likely to be penalized for excess readmissions, but the association of other hospital characteristics with readmission rates is uncertain and may have relevance for hospital-centered interventions. ⋯ Overall, larger, urban, academic facilities had modestly higher RSRRs than smaller, suburban, community hospitals, although there was a wide range of performance. The strong regional effect suggests that local practice patterns are an important influence. Disproportionately high readmission rates at for-profit hospitals may highlight the role of financial incentives favoring utilization.