Development and validation of claims-based algorithms for identifying hospitalized patients with COVID-19 and their severity in 2020 and 2021.

Chieko Ishiguro Wataru MimuraJunko TeradaNobuaki MatsunagaHironori IshiwariHiroyuki HoshimotoKengo MiyoNorio Ohmagari

Published in: Journal of epidemiology (2024)

The diagnosis code-only algorithm for COVID-19 hospitalization showed low validity throughout the study period. The algorithms for hospitalizations, moderate or higher status, and severe status with COVID-19, consisting of both diagnosis codes and procedure codes, showed high validity in some periods.

Keyphrases

machine learning
coronavirus disease
sars cov
deep learning
health insurance
high intensity
early onset
respiratory syndrome coronavirus
neural network