Risk of new-onset polymyalgia rheumatica following COVID-19 vaccination in South Korea: a self-controlled case-series study.

ABSTRACT:

Background

While several studies have reported some cases of polymyalgia rheumatica (PMR) following COVID-19 vaccination, studies using large databases are lacking.

Objectives

To investigate the risk of PMR after COVID-19 vaccination using self-controlled case series (SCCS) analysis METHODS: We used the National Health Insurance Database, linked with the COVID-19 registry between February 2021 and August 2023, to identify adults aged 50 years or older who received at least one dose of COVID-19 vaccine and subsequently diagnosed with PMR within the observation period, defined as 240 days after the first dose of vaccine. The risk window was defined as 28 days after each dose of COVID-19 vaccination, and the control window encompassed the remainder of the observation period. In

SUBMITTER: Woo J 

PROVIDER: S-EPMC12039019 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature