First Episode Psychosis: Estimating Annual Incidence Using Administrative Data

Dec 2022 |
Online Library

This report presents estimated incidence rates of first episode psychosis (FEP) among the Washington Medicaid population in state fiscal year (SFY) 2021. Using administrative data from 1997 forward, we identified 4,388 Medicaid enrollees in Washington State who received their first psychotic disorder diagnoses in SFY 2021. The overall incidence rate of FEP was estimated at 235 per 100,000 Medicaid enrollees. The demographic characteristics and geographic distribution of Medicaid enrollees experiencing FEP are presented in the report.

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