Publications by authors named "John Mafi"

Characterizing the value and equity of care delivered during the COVID-19 pandemic is crucial to uncovering health system vulnerabilities and informing postpandemic recovery. We used insurance claims to evaluate low-value (no clinical benefit, potentially harmful) and clinically indicated utilization of a subset of 11 ambulatory services within a cohort of ∼2 million Virginia adults during the first 2 years of the pandemic (March 1, 2020-December 31, 2021). In 2020, low-value and clinically indicated utilization decreased similarly, while in 2021, low-value and clinically indicated utilization were 7% higher and 4% lower, respectively, than prepandemic rates.

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Background: While telemedicine has been beneficial in oncology by reducing infectious exposure and improving access for patients with poor functional status, it also has intrinsic limitations, including the inability to perform a physical exam, which could lead to increased downstream utilization in this population at high risk of medical decompensation. We conducted a retrospective cohort study investigating the relationship between telemedicine use in oncology and subsequent outpatient oncology encounters, emergency department (ED) visits, and hospitalizations.

Methods: We included outpatient oncology encounters, including telemedicine and in-person visits, occurring between 1 January 2018 and 31 December 2022 at a large academic health system.

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Article Synopsis
  • - Antisecretory medications, especially proton pump inhibitors (PPIs), help reduce gastrointestinal risks like upper gastrointestinal bleeding (UGIB) linked to NSAIDs and aspirin use, commonly taken in the U.S.
  • - Health professionals recommend PPIs for patients who are at a high risk for UGIB due to their effectiveness in providing gastrointestinal protection.
  • - The study investigates current trends in the prescribing of antisecretory medications for patients at high risk for UGIB, comparing this to prescribing patterns for patients with acid-related disorders.
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Objectives: Low-value esophagogastroduodenoscopies (EGDs) for uncomplicated gastro-oesophageal reflux disease (GERD) can harm patients and raise patient and payer costs. We developed an electronic health record (EHR) 'eMeasure' to detect low-value EGDs.

Design: Retrospective cohort of 518 adult patients diagnosed with GERD who underwent initial EGD between 1 January 2019 and 31 December 2019.

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There is debate about the value of preventive visits in primary care, and multiple policy trends during the past fifteen years may have influenced the likelihood of US adults undergoing preventive primary care visits. Using nationally representative, serial cross-sectional data on adult visits to primary care physicians from the 2001-19 National Ambulatory Medical Care Survey, we characterized temporal trends in the proportion of primary care visits with a preventive focus and the differential characteristics of these visits. Based on a sample of 139,783 unweighted (5,902,144,258 weighted) US primary care visits, we found that the proportion of primary care visits with a preventive focus increased between 2001 and 2019 (12.

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Objectives: Physician pay-for-performance (P4P) programs frequently target inappropriate antibiotics. Yet little is known about P4P programs' effects on antibiotic prescribing among safety-net populations at risk for unintended harms from reducing care. We evaluated effects of P4P-motivated interventions to reduce antibiotic prescriptions for safety-net patients with acute respiratory tract infections (ARTIs).

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Article Synopsis
  • The Affordable Care Act's Medicaid expansion significantly improved healthcare coverage for millions, but its impact on overall care quality across different insurance types was uncertain.
  • A study analyzed data from states that expanded Medicaid versus those that did not, focusing on the number of physician visits and the quality of care before and after the expansion between 2012-2015.
  • Results showed an increase in Medicaid visits and high-value services for new enrollees post-expansion, while access and quality of care for individuals with Medicare or commercial insurance remained stable.
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Unlabelled: Timely follow-up care after an abnormal cervical cancer screening test result is critical to the prevention and early diagnosis of cervical cancer. The current inadequate and inequitable delivery of these potentially life-saving services is attributed to several factors, including patient out-of-pocket costs. Waiving of consumer cost-sharing for follow-up testing (e.

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Among patients with Alzheimer's disease and its related dementias (ADRD) with behavioral disturbances, antipsychotic prescriptions have limited efficacy and increase the risk of death. Yet, physicians continue to routinely prescribe low-value antipsychotic medications for behavioral disturbances among patients with ADRD. We designed a pragmatic randomized-controlled trial to measure the impact of a behavioral economic electronic health record (EHR) clinical decision support (CDS) intervention to reduce physician prescriptions of new antipsychotic medications among patients with ADRD.

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Background: Low-value use of screening colonoscopy is wasteful and potentially harmful to patients. Decreasing low-value colonoscopy prevents procedural complications, saves patient time and reduces patient discomfort, and can improve access by reducing procedural demand. The objective of this study was to develop and validate an electronic measure of screening colonoscopy overuse using International Classification of Diseases, Tenth Edition codes and then apply this measure to estimate facility-level overuse to target quality improvement initiatives to reduce overuse in a large integrated healthcare system.

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This cross-sectional study examines upper bound and lower bound annualized Medicare costs for administering aducanumab to beneficiaries with the approved indications of mild cognitive impairment or mild dementia.

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Objectives: Nurse practitioners and physician assistants (NPs/PAs) increasingly practice in emergency departments (EDs), yet limited research has compared their practice patterns with those of physicians.

Design, Setting And Participants: Using nationally representative data from the National Hospital Ambulatory Medical Care Survey (NHAMCS), we analysed ED visits among NPs/PAs and physicians between 1 January 2009 and 31 December 2017. To compare NP/PA and physician utilisation, we estimated propensity score-weighted multivariable regressions adjusted for clinical/sociodemographic variables, including triage acuity score (1=sickest/5=healthiest).

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Importance: Following reductions in US ambulatory care early in the pandemic, it remains unclear whether care consistently returned to expected rates across insurance types and services.

Objective: To assess whether patients with Medicaid or Medicare-Medicaid dual eligibility had significantly lower than expected return to use of ambulatory care rates than patients with commercial, Medicare Advantage, or Medicare fee-for-service insurance.

Design, Setting, And Participants: In this retrospective cohort study examining ambulatory care service patterns from January 1, 2019, through February 28, 2021, claims data from multiple US payers were combined using the Milliman MedInsight research database.

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Introduction: Robust randomised trial data have shown that routine preoperative (pre-op) testing for cataract surgery patients is inappropriate. While guidelines have discouraged testing since 2002, cataract pre-op testing rates have remained unchanged since the 1990s. Given the challenges of reducing low-value care despite strong consensus around the evidence, innovative approaches are needed to promote high-value care.

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The cost of health care in the United States is approaching 18% of the gross national product, an expenditure that is competing with dollars being used for other purposes. One way to reduce the cost of care is by identifying and reducing low-value care (LVC): patient care that offers little to no benefit in specific clinical scenarios, adds cost, and may, through adverse effects or adverse outcomes, actually harm patients. The authors have been involved in identifying and reducing LVC for more than 15 years and have created a practical, 10-step approach to effectively integrate LVC reduction programs into medical systems.

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Background: Low-value care, or patient care that offers no net benefit in specific clinical scenarios, is costly and often associated with patient harm. The US Preventive Services Task Force (USPSTF) Grade D recommendations represent one of the most scientifically sound and frequently delivered groups of low-value services, but a more contemporary measurement of the utilization and spending for Grade D services beyond the small number of previously studied measures is needed.

Objective: To estimate utilization and costs of seven USPSTF Grade D services among US Medicare beneficiaries.

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Importance: Low-value care, defined as care offering no net benefit in specific clinical scenarios, is associated with harmful outcomes in patients and wasteful spending. Despite a national education campaign and increasing attention on reducing health care waste, recent trends in low-value care delivery remain unknown.

Objective: To assess national trends in low-value care use and spending.

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