COVID-19 severity scale for claims data research
Abstract Objective To create and validate a methodology to assign a severity level to an episode of COVID-19 for retrospective analysis in claims data. Data Source Secondary data obtained by license agreement from Optum provided claims records nationally for 19,761,754 persons, of which, 692,094 per...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2023-04-01
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Series: | BMC Health Services Research |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12913-023-09362-2 |