We conducted a retrospective analysis of data from the OptumLabs Data Warehouse (OLDW), a deidentified administrative claims database of more than 100 million individuals enrolled in private and Medicare Advantage plans across the United States (eMethods 1 in the Supplement).26,27 There was no patient involvement in this study. Study data were accessed using techniques adherent to the Health Insurance Portability and Accountability Act of 1996, and because this study involved analysis of preexisting, deidentified data, the Mayo Clinic Institutional Review Board deemed it exempt from institutional review board approval.
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