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Loess Curves for Kidney Function Indicator Trajectories in COVID-19 Patients
Loess curves of mean BUN, Scr, and BUA by severity of the disease within 28 days after admission.
(A) BUN levels, (B) Scr levels, and (C) BUA levels. Yellow indicates non-severe cases, orange indicates severe (non-death) cases, and blue indicates death cases. The shaded regions represent 95% confidence intervals.
