I feel like this is a very expected finding. It would be more compelling to see the covid-19 severity among patients with and without VDI but matched by egfr or

I feel like this is a very expected finding. It would be more compelling to see the covid-19 severity among patients with and without VDI but matched by egfr or one of the many many other confounders. A lot of things are correlated with severity of metabolic disease that could be the thing that makes covid-19 severe in this population.