Table II.

Admission laboratory test results of all patients with MIS-C

Tests	Value	Reference normal range
SARS-CoV-2 PCR positive	11 (33)	–
SARS-CoV-2 antibody positive	27 (81)	–
SARs CoV-2 PCR and antibody positive	6 (18)	–
WBC, cells/μL	11 000 (8450-14 400)	4000-11 000/μL
Hemoglobin, g/dL	11.3 (9.55-12.5)	10.5-14 g/dL
Platelets, thousands/μL	176 (130.5-282)	150-300 K/μL
Absolute lymphocyte count, thousands/μL	1.1 (0.6-1.3)	1.0-4.0 K/μL
ESR, mm/h	53 (28.2-77.2)	0-10 mm/h
Serum sodium, mEq/L	136 (135-139)	135-145 mEq/L
Albumin, g/dL	3.5 (2.6-3.9)	3.5-4.9 g/dL
BUN, mg/dL	12 (9-16)	6-23 mg/dL
Serum creatinine, mg/dL	0.6 (0.4-1.1)	0.7-1.3 mg/dL
AST, U/L	48 (27-69)	1-35 U/L
ALT, U/L	36 (28-53)	1-45 U/L
Total bilirubin, mg/dL	0.7 (0.4-1.3)	0.1-1.2 mg/dL
C-reactive protein, mg/L	250 (156-302)	0.0-5.0 mg/L
C-reactive protein at peak, mg/L	255 (181-310)	0.0-5.0 mg/L
Procalcitonin, ng/mL	5.4 (1.8-16.7)	<0.1 ng/mL
Procalcitonin peak, ng/mL	6 (2.7-16.5)	<0.1 ng/mL
Fibrinogen, mg/dL	627 (455-782)	162-378 mg/dL
Ferritin, ng/mL	568 (340-954)	80-500 ng/mL
BNP at admission, pg/mL (n = 16)	388 (75-1086)	0-100 pg/mL
Peak BNP at admission, pg/mL (n = 16)	760 (388-1434)	0-100 pg/mL
Pro-BNP at admission, pg/mL (n = 16)	4328 (2117-13 370)	0-450 pg/mL
Peak Pro-BNP, pg/mL (n = 16)	15 000 (9329-15 000)	0-450 pg/mL
Troponin T, ng/mL	0.08 (0.02-0.17)	<0.1 ng/mL
d-Dimer, μg/mL FEU	3.7 (2.4-5.1)	<0.5 μg/mL FEU
Lactate, mmol/L	1.9 (1.4-3.0)	0.5-1.99 mmol/L
Mixed venous saturation, % (n = 24)	56.5 (39.5-76.7)
IL-6, pg/mL	200 (56.4-330)	0-5.0 pg/mL
IL-1, pg/mL	0.8 (0.4-1.2)	0-22 pg/mL
IL-8, pg/mL	41.7 (25.1-54.4)	0-5 pg/mL
Triglycerides, mg/dL	129 (108-191)	<150 mg/dL

ALT, alanine aminotransferase; AST, aspartate aminotransferase; BNP, B type natriuretic peptide; BUN, blood urea nitrogen; ESR, erythrocyte sedimentation rate; FEU, Fibrinogen equivalent unit; WBC, white blood cell count.

Values are number (%) or median (IQR).