• Adrian D Haimovich, Sydney Mulqueen, Jossie Carreras-Tartak, Cameron Gettel, Mara A Schonberg, Susan N Hastings, Christopher Carpenter, Shan W Liu, and Stephen H Thomas.
• Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
• Acad Emerg Med. 2024 Sep 12.

IntroductionOlder adults are at high risk of adverse health outcomes in the post-emergency department (ED) discharge period. Prior work has shown that discharged older adults have variable understanding of their discharge instructions which may contribute to these outcomes. To identify discharge comprehension gaps amenable to future interventions, we utilize meta-analysis to determine patient comprehension across five domains of discharge instructions: diagnosis, medications, self-care, routine follow-up, and return precautions.MethodsUsing Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, two reviewers sourced evidence from databases including Medline (PubMed), EMBASE, Web of Science, CINAHL, and Google Scholar (for gray literature). Publications or preprints appearing before April 2024 were included if they focused on geriatric ED discharge instructions and reported a proportion of patients with comprehension of at least one of five predefined discharge components. Meta-analysis of eligible studies for each component was executed using random-effects modeling to describe the proportion of geriatric ED cases understanding the discharge instructions; where appropriate we calculated pooled estimates, reported as percentages with 95% confidence interval (CI).ResultsOf initial records returned (N = 2898), exclusions based on title or abstract assessment left 51 studies for full-text review; of these, seven constituted the study set. Acceptable heterogeneity and absence of indication of publication bias supported pooled estimates for proportions comprehending instructions on medications (41%, 95% CI 31%-50%, I2 = 43%), self-care (81%, 95% CI 76%-85%, I2 = 43%), and routine follow-up (76%, 95% CI 72%-79%, I2 = 25%). Key findings included marked heterogeneity with respect to comprehending two discharge parameters: diagnosis (I2 = 73%) and return precautions (I2 = 95%).ConclusionsOlder patients discharged from the ED had greater comprehension of self-care and follow-up instructions than about their medications. These findings suggest that medication instructions may be a priority domain for future interventions.© 2024 Society for Academic Emergency Medicine.

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