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. 2023 Jan 6;6(1):e2249804. doi: 10.1001/jamanetworkopen.2022.49804

Figure. Zip Code–Level and State-Level Variation in Sampling in the Optum Clinformatics Data Mart Database (CDM) in 2018.

Figure.

A, Clinformatics Data Mart sampling in each zip code, estimated from the number of patients with coverage in CDM on June 1, 2018. B, Clinformatics Data Mart sampling in each state, estimated using the same criteria.