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. 2023 May 13. Online ahead of print. doi: 10.1016/j.jaad.2023.05.017

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Fig 2 — Risk of incident autoimmune connective tissue disorders in mRNA-based COVID-19 vaccinated cohort compared with the historical control cohort. The incidence rate was expressed as the number of events per 10,000 person-years. The forest plot depicts aHRs and 95% confidence intervals (CIs) in individuals with mRNA-based COVID-19 vaccination compared to historical controls. The hazard estimates were adjusted for all 18 covariates used for inverse probability of treatment weighting. Individuals who had already been diagnosed with the target outcome on or before the index date were excluded from each analysis. aHR, Adjusted hazard ratio; CI, confidence interval; COVID-19, coronavirus disease 2019.