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Background: Hospital referral regions (HRRs) are often used to characterize inpatient referral patterns, but it is unknown how well these geographic regions are aligned with variation in Medicare-financed hospice care, which is largely provided at home. Objective: Our objective was to characterize the variability in hospice use rates among elderly Medicare decedents by HRR and county. Methods: Using 2014 Master Beneficiary File for decedents 65 and older from North and South Carolina, we applied Bayesian mixed models to quantify variation in hospice use rates explained by HRR fixed effects, county random effects, and residual error among Medicare decedents. Results: We found HRRs and county indicators are significant predictors of hospice use in NC and SC; however, the relative variation within HRRs and associated residual variation is substantial. On average, HRR fixed effects explained more variation in hospice use rates than county indicators with a standard deviation (SD) of 10.0 versus 5.1 percentage points. The SD of the residual error is 5.7 percentage points. On average, variation within HRRs is about half the variation between regions (52%). Conclusions: The magnitude of unexplained residual variation in hospice use for NC and SC suggests that novel, end-of-life-specific service areas should be developed and tested to better capture geographic differences and inform research, health systems, and policy. [ABSTRACT FROM AUTHOR]

Context: Palliative care improves patient and family outcomes and may reduce the cost of care, but this service is underutilized among Medicare beneficiaries.Objectives: To describe enrollment patterns and outcomes associated with the Center for Medicare and Medicaid Innovation expansion of a multisetting community palliative care program in North and South Carolina.Methods: This observational study characterizes the Center for Medicare and Medicaid Innovation cohort's care and cost trajectories after enrollment. Program participants were age-eligible Medicare fee-for-service beneficiaries living in Western North Carolina and South Carolina who enrolled in a palliative care program from September 1, 2014, to August 31, 2017. End-of-life costs were compared between enrolled and nonenrolled decedents. Program administrative data and 100% Medicare claims data were used.Results: A total of 5243 Medicare beneficiaries enrolled in the program from community (19%), facility (21%), small hospital (27%), or large hospital (33%) settings. Changes in Medicare expenditures in the 30 days after enrollment varied by setting. Adjusted odds of hospice use were 60% higher (OR = 1.60; CI = 1.47, 1.75) for enrolled decedents relative to nonenrolled decedents. Participants discharged to hospice vs. participants not had 17% (OR = 0.83 CI = 0.72, 0.94) lower costs. Among enrolled decedents those enrolled for at least 30 days vs. <30 days had 42% (OR = 0.58, CI = 0.49, 0.69) lower costs in the last 30 days of life.Conclusions: Expansion of community palliative care programs into multiple enrollment settings is feasible. It may improve hospice utilization among enrollees. Heterogeneous program participation by program setting pose challenges to a standardizing reimbursement policy. [ABSTRACT FROM AUTHOR]