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CKD is the most prevalent risk factor for severe COVID-19 and also the risk factor for severe COVID-19 that is associated with the highest risk of death, after old age. (A) CKD as a percentage of persons at risk of severe COVID-19 on a global scale. Data from Clark et al. [10]. (B) Risk of death associated with pre-existent conditions in patients with COVID-19 in an adjusted analysis. Data from Williamson et al. [9]. Reproduced from ERA-EDTA Council and ERACODA Working Group [8].
