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Hospital accountable care organization (ACO) participation did not impact emergency department admission rates, length of stay, or costs, suggesting limited effectiveness in reducing spending for unplanned admissions and challenging hospital-led ACO cost-saving strategies.

Ambulatory cardiac monitors’ clinical and economic outcomes vary; one long-term continuous monitor brand showed greater arrhythmia diagnosis, fewer retests and cardiovascular events, and lower health care resource use and costs.

Medicare Advantage outperformed traditional Medicare on clinical quality measures before and during the COVID-19 pandemic; mid-pandemic, however, traditional Medicare narrowed the gap on some in-person screenings.

Supported value-based care improves prenatal care while reducing neonatal intensive care unit stays, preterm birth rates, low birth weight rates, and costs for mothers and infants.

Physician groups under 2-sided risk–based Medicare Advantage provide care associated with higher quality and efficiency compared with care by these same groups under fee-for-service Medicare.

Primary care nurse practitioners were found to use low-value care at lower or relatively similar rates compared with the general clinician population.

A coverage with evidence development (CED) study demonstrated significant and clinically meaningful benefits in patients with migraine treated with remote electrical neuromodulation (REN). Health plans should support clinicians’ REN prescriptions by ensuring adequate coverage.