Healthcare utilization patterns before and after a long COVID diagnosis: a case-control study.

ABSTRACT:

Background

Documenting Long COVID cases has been challenging partly due to the lack of population-level data and uncertain diagnostic criteria, hindering the ability to ascertain healthcare utilization patterns over time. The objective of this study is to examine the characteristics and healthcare utilization patterns of Long COVID patients in Colorado pre- and post-diagnosis compared to controls.

Methods

Retrospective, longitudinal case-control study using a 100% sample of Colorado's All-Payer Claims Database. The sample includes individuals 18 or older diagnosed with Long COVID between October 1, 2021, and August 1, 2022, with patients followed until August 2023. Long COVID was identified using the International Classification of Diseases, 10th Revision, U09.9 code in medi

SUBMITTER: DeVoss R 

PROVIDER: S-EPMC11812174 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature