• Juan P Herrera-Escobar, Joyce Y Wang, Jamie Ye, Michael K Dalton, Tracey Koehlmoos, Andrew J Schoenfeld, Joel S Weissman, and Zara Cooper.
• Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, MA 02120, USA.
• Mil Med. 2023 Jul 22; 188 (7-8): e2639e2645e2639-e2645.

IntroductionBeneficiaries of TRICARE, an insurance program of the military health system, can choose to receive care within the private sector (fee-for-service) or direct (budget-based facilities with salaried providers) care setting. Previous studies in several specialties have shown that there are disparities in both resource utilization and outcomes between the two settings. In this study, we sought to determine differences in outcomes between coronavirus disease 2019 (COVID-19) patients treated in the private sector versus direct care.Materials And MethodsUsing TRICARE claims data, we identified patients admitted to the hospital for COVID-19 between March and September 2020. Cases were classified, according to the facility where they were admitted for treatment, as private sector or direct care. We abstracted patient sociodemographic characteristics, comorbid conditions, and outcomes including in-hospital mortality, intensive care unit (ICU) admission, ventilator use, in-hospital complications, and 30-day readmission. We used multivariable regression models, adjusted for covariates, to determine the association between health care settings and outcomes.ResultsA total of 3,177 patients were included. Of these, 2,147 (68%) and 1,030 (32%) received care in the private sector and direct care settings, respectively. The average age of the study cohort was 52 years (SD = 21), and 84% had at least one medical comorbidity. In adjusted analyses, we found significant differences in the rates of ICU admission, with patients treated in private sector care having lower odds of being admitted to the ICU (odds ratio, 0.64; 95% CI, 0.53-0.76). There were no significant differences in the rates of in-hospital mortality, ventilator use, in-hospital complications, and 30-day readmissions.ConclusionWith the exception of ICU admission rates, which are higher in the direct care setting, we encountered comparable hospital-based outcomes for patients treated for COVID-19 within the military health system, whether care was received under private sector or direct care.© The Association of Military Surgeons of the United States 2022. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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