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Rates and incidence rate ratios per 100,000 person-years with 95% confidence intervals of new-onset atrial fibrillation, heart failure, ischemic heart disease, and ischemic stroke. A, Weekly rates per 100,000 person-y in 2020/2021 compared to the corresponding wk in 2019/2020. B, Weekly incidence rate ratios in 2020/2021 compared to the corresponding wk in 2019/2020.
