Table 2.

Laboratory findings of COVID-19 patients.

Laboratory findings	All patients	QTc < 470 ms	QTc ≥ 470 ms	P value
WBC, median (IQR), G/L	8.15 (6.26–11.70)	7.91 (6.16–11.15)	10.90 (6.70–18.16)	.003
Lymphocyte, median (IQR), G/L	0.91 (0.52–1.37)	0.97 (0.55–1.42)	0.53 (0.27–1.08)	<.001
Eosinophil, median (IQR), G/L	0.02 (0.00–0.09)	0.03 (0.00–0.09)	0.00 (0.00–0.06)	.001
AST, median (IQR), U/L	40 (27–70)	38 (26–68)	52 (33–90)	.009
ALT, median (IQR), U/L	58 (34–103)	56.5 (33–103)	65 (41–101)	.213
Albumin, median (IQR), g/L	29.30 (24.50–35.40)	29.85 (25.03–35.88)	26.70 (22.70–30.90)	<.001
Creatinine, median (IQR), μmol/L	72.00 (59.50–91.00)	70.15 (58.83–88.05)	81.00 (65.00–153.20)	.004
BUN, median (IQR), mmol/L	6.38 (4.96–8.80)	6.15 (4.85–8.43)	7.79 (6.13–17.37)	<.001
CRP, median (IQR), mg/L	23.65 (4.21–87.73)	18.66 (4.02–79.98)	71.15 (9.11–151.96)	.001
Procalcitonin, median (IQR), ng/L	0.08 (0.05–0.33)	0.07 (0.05–0.24)	0.16 (0.06–1.70)	.009
Ferritin, median (IQR), ng/mL	410.77 (180.41–950.32)	369.86 (161.60–896.65)	800.46 (468.46–1419.64)	.015
Cardiac biomarkers
CKMB, median (IQR), ng/mL	0.80 (0.50–2.10)	0.70 (0.50–1.70)	2.00 (0.63–7.75)	<.001
hs-TNI, median (IQR), ng/L	4.80 (1.90–24.35)	4.25 (1.80–16.55)	23.35 (3.73–396.55)	<.001
BNP, median (IQR), pg/mL	37.10 (10.10–230.95)	24.05 (10.00–147.13)	165.70 (45.53–667.28)	<.001

Data are median (IQR) or n (%).

ALT = alanine aminotransferase, AST = aspartate aminotransferase, BNP = B-type natriuretic peptide, BUN = blood urea nitrogen, CK-MB = creatine kinase-MB fraction, CRP = C-reactive protein, hs-TNI = high-sensitivity troponin I, IQR = interquartile range, ms = millisecond, NA = not applicable, QTc = corrected QT, WBC = white blood cell.