Uveitis Risk After the First Dose of COVID-19 Vaccination Based on Uveitis History: Matched Cohort and Crossover Case Series Study - 16/05/24
Highlights |
• | People with uveitis history are more likely to experience another uveitis event than those without it. |
• | Uveitis after COVID-19 vaccination is mostly attributed to patient's characteristics. |
• | Regardless of previous uveitis history, COVID-19 vaccine does not increase uveitis risk. |
Résumé |
Purpose |
To investigate the risk of noninfectious uveitis following the first dose of coronavirus disease 2019 (COVID-19) vaccination based on the uveitis history.
Design |
Retrospective matched cohort and crossover case series study.
Methods |
A random sample of 7 917 457 individuals who received COVID-19 vaccine between January 2021 and March 2022 in Korea, and had no recorded history of COVID-19 were categorized into the control and uveitis groups based on their uveitis history. After performing 3:1 propensity score matching, we assessed the cumulative incidence and risk of noninfectious uveitis in the 180 days after COVID-19 vaccination. Additionally, we performed a crossover case series analysis to compare the pre- and postvaccination incidence rate ratios (IRRs) of uveitis in individuals with and without a history of uveitis.
Results |
In the matched cohort analysis, uveitis group had a significantly higher cumulative incidence of uveitis (15.4%) than control group (0.10%). The uveitis group exhibited increased risks of all uveitis types, anterior, and nonanterior uveitis in the first 60 days (hazard ratio [HR]: 169, 158, and 253, respectively) and in days 61 to 180 (HR: 166, 164, and 143, respectively) after vaccination. In the crossover case series analysis, uveitis occurred with relatively equal frequency in 20-day intervals during the 180 days before and after vaccination, regardless of uveitis history. For uveitis group, the adjusted IRRs for early and late postvaccination events were 0.92 (95% CI, 0.88-0.96) and 0.83 (95% CI, 0.80-0.85), respectively.
Conclusions |
COVID-19 vaccination did not increase the risk of uveitis, regardless of uveitis history.
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Supplemental Material available at AJO.com. |
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Meeting Presentation: This manuscript has not been published or presented elsewhere in part or in entirety and is not under consideration by another journal. |
Vol 262
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