Change in Exacerbation Rate of Asthma Patients before and after COVID-19 Infection.

ABSTRACT:

Background

Coronavirus disease 2019 (COVID-19) significantly impacted healthcare utilization and disease outcomes worldwide. During the pandemic, overall asthma exacerbations reportedly declined; however, the specific effect of COVID-19 infection on subsequent exacerbation patterns in asthma patients remains unclear.

Methods

Using a nationwide health insurance claims database from South Korea, we identified patients who had both asthma and a confirmed COVID-19 diagnosis in 2020. We defined the pre-COVID-19 period as the 12 months immediately preceding the date of each patient's COVID-19 diagnosis, and the post-COVID-19 period as the 12 months following that date. Baseline characteristics, annual exacerbation rates, and direct medical costs were compared between these two tim

SUBMITTER: Choi JY 

PROVIDER: S-EPMC12488354 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature