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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Health Aff (Millwood). 2021 Feb;40(2):349–358. doi: 10.1377/hlthaff.2020.01786

EXHIBIT 4.

EXHIBIT 4

Correlation of Change in Weekly Total Visits from the Pre- to COVID-19 periods and Weekly Total Visits Delivered by Telemedicine in the COVID-19 period by Diagnosis Category

Authors’ analysis of data from OptumLabs Data Warehouse

Circle size indicates the proportion of total visits in the COVID-19 period by clinician specialty (see Appendix Exhibit 1 for full list)27. r=0.46 for correlation between the two measures. Abbreviations: Infections (Inf); Disorder (Dis)