Predictors of Specialty Outpatient Palliative Care Utilization Among Persons with Serious Illness.

Outpatient Palliative Care (OPC) benefits persons living with serious illness, yet barriers exist in utilization. To identify factors associated with OPC clinic utilization. Emergency Medicine Palliative Care Access is a multicenter, randomized control trial comparing two models of palliative care for patients recruited from the Emergency Department (ED): nurse-led telephonic case management and OPC (one visit a month for 6 months). Patients were aged 50+ with advanced cancer or end-stage organ failure and recruited from 19 EDs. Using a mixed effects hurdle model, we analyzed patient, provider, clinic and healthcare system factors associated with OPC utilization. Among the 603 patients randomized to OPC, about half (53.6%) of patients attended at least one clinic visit. Those with less than high school education were less likely to attend an initial visit than those with a college degree or higher (aOR 0.44; CI 0.23, 0.85), as were patients who required considerable assistance (aOR 0.45; CI 0.25, 0.82) or had congestive heart failure only (aOR 0.46; CI 0.26, 0.81). Those with higher symptom burden had a higher attendance at the initial visit (aOR 1.05; CI 1.00, 1.10). Reduced follow up visit rates were demonstrated for those of older age (aRR 0.90; CI 0.82, 0.98), female sex (aRR 0.84; CI 0.71, 0.99), and those that were never married (aRR 0.62; CI 0.52, 0.87). Efforts to improve OPC utilization should focus on those with lower education, more functional limitations, older age, female sex, and those with less social support. TRIAL REGISTRATION CLINICALTRIALS. NCT03325985.

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Confliction of interest The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.