Outcomes of emergency general surgery admissions in patients experiencing homelessness: A matched cohort study

Housing status impacts outcomes after elective and emergent operations but has not been well studied in the emergency general surgery population. This study investigates the impact of housing status on complications and 30-day follow-up, emergency department visits, and readmissions after emergency general surgery admission.

We conducted a retrospective matched cohort study of adult patients admitted with an emergency general surgery diagnosis at an urban, safety net hospital from 2014 to 2021. Patients were matched 1 to 2 on the basis of age, sex, Charlson Comorbidity Index, diagnosis, and operative status. The primary exposure was unhoused status. The primary outcome was in-hospital complications. Secondary outcomes included intensive care unit admission, extended length of stay, follow-up attendance, and emergency department visit or unplanned readmission within 30 days. Multivariable conditional logistic regression was used to determine the association between housing status and the outcomes of interest.

The study included 531 patients (177 unhoused, 354 housed). There were no significant differences in complications, intensive care unit admissions, or extended length of stay. Unhoused patients had lower odds of outpatient follow-up (odds ratio, 0.54; 95% confidence interval, 0.35-0.85, P = .008) and higher odds of emergency department utilization (odds ratio, 2.72; 95% confidence interval, 1.78-4.14, P < .001) and readmission (odds ratio, 1.87; 95% confidence interval, 1.09-3.19, P = .02).

Compared with housed patients, unhoused patients with emergency general surgery conditions have lower rates of outpatient follow-up and greater odds of using the emergency department and being readmitted within 30 days of discharge. This points to a need for dedicated posthospitalization care and creative methods of engaging with this population.