ALB and COVID-19: Mean urinary protein-to-creatinine ratio and albumin-to-creatinine ratio were comparable between the patients with COVID-19 and those without COVID-19 (0.765 ± 1.36 vs. 0.58 ± 0.46 g/g, P = 0.292; and 187 ± 571 vs. 149 ± 233 mg/g, P = 0.595, respectively).