Figure 1. Percentage of Health Plan Enrollees With Sodium-Glucose Cotransporter 2 (SGLT2) Inhibitors Coverage and Formulary Restrictions by Plan Type.

Data were obtained from Fingertip Formulary (Clarivate Analytics LLC). Coverage, prior authorizations, step therapy, and quantity limits differed across plan types for all SGLT2 inhibitors (P < .001 for all comparisons). Health insurance exchange (HIX), Veterans Affairs (VA), or other plans (other plans include Federal Employees Health Benefits program, non-VA federal program, municipal plan, pharmacy benefit manager, and union plans). Medicare plan type includes Medicare Advantage, Medicare Part D, Medicare Special Needs, and Employer Group Waiver Plans. Medicaid plan type includes managed Medicaid, Medicare-Medicaid, Programs of All-Inclusive Care for the Elderly, and state Medicaid. Dual-eligible patients typically receive prescription drug coverage through Medicare Part D plans. PA indicates prior authorization; ST, step therapy.