COVID-19 severity scale for claims data research

• Main Authors: Trudy Millard Krause (Author), Raymond Greenberg (Author), Lopita Ghosh (Author), Joseph S. Wozny (Author), Regina M. Hansen (Author), Caroline Schaefer (Author)
• Format: Book
• Published: BMC, 2023-04-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

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...