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...
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Main Authors: | , , , , , |
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Format: | Book |
Published: |
BMC,
2023-04-01T00:00:00Z.
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A1234.567 |
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Copy 1 | Available |