Table 1.

Serum and urine biochemistry

	Patient 1	Patient 2
Age, yr	47	52
Gender	Male	Female
Past medical history	Traumatic head injury 2018, PEG-fed	Diabetic nephropathy, kidney/pancreas transplant 2011
Drug therapy	Meropenem	Tacrolimus, mycophenolate (suspended), meropenem
Date of COVID-19 diagnosis	April 3, 2020	March 26, 2020
Onset of syndrome, days after COVID diagnosis	10	3
Resolution of syndrome, d	21	18
Serum sodium, mmol/l	152	138
Serum potassium, mmol/l	3.6	2.9
Serum creatinine, μmol/l	154	90
Baseline serum creatinine, μmol/l	60	62
Serum bicarbonate, mmol/l	30	4
Serum corrected calcium, mmol/l	2.56	2.41
Serum phosphate, mmol/l	1.83	0.18
Serum magnesium, mmol/l	1.03	0.56
Serum osmolality, mosmol/l	321	ND
CRP, mg/l	74	100
Urinary FEPO4, %	ND	70
Urinary retinol binding protein/creatinine ratio	ND	1540
Urinary osmolality, mosmol/l	264	ND

CRP, C-reactive protein; ND, not done; PEG, percutaneous endoscopic gastrostomy.