Kidney manifestations of mild, moderate and severe coronavirus disease 2019: a retrospective cohort study

Coronavirus disease 2019 (COVID-19) is a pandemic that has affected more than 3 million patients globally. Previous data from Wuhan city showed that acute kidney injury (AKI), proteinuria and hematuria occurred frequently in patients with severe COVID-19. However, the prevalence of kidney injury in milder cases remains unclear.This retrospective study included two major consecutive cohorts of COVID-19 patients in Sichuan Province. Baseline...