Table 3.

Laboratory and imaging characteristics.

	Case 1 (M, 5 years, BMI > 95th pc)	Case 2 (M, 5.5 years, BMI 25th–50th pc)	Case 3 (F, 6.9 years, BMI > 95th pc)	Case 4 (M, 8.9 years, BMI > 95th pc)	Case 5 (F, 6.8 years, BMI 90th–95th pc)	Median (range)	Normal values
CRP (mg/L)	161.4	131	386.7	191.4	225.2	131–386.7	< 2
PCT (ng/mL)	9.2	86.4	19.8	2.4	> 100	2.4–> 100	< 0.5
ERS (mm/h)	38	49	40	36	37	36–49
WBC (/μL) first sample	5710	19,060	9080	8350	7620	5710–19,060	6000–18000
Lymphocytes first sample (/μL)	760	1820	430	460	580	430–1820	1800–13500
D-dimer (ng/mL)	2384	2662	2233	1922	3081	1922–3081	0–500
Fibrinogen (mg/dL)	587	630	1038	656	525	525–1038	200–450
Troponin (ng/L)	60.5	48.3	70	34.3	105.2	34.3–105.2	< 19.8
NT-proBNP (pg/mL)	20,400	9500	20,200	2480	26,000	2480–26,000	< 300
IL-6 (pg/mL)	470.1	15.1	186.5	74.4	692.5	15.1–692.5	< 6.4
Anti-SARS-CoV-2 IgG (AU/mL)	190.1	158.8	98	129	68.3	68.3–190.1	< 8
Anti-SARS-CoV-2 IgM (AU/mL)	32.7	5.1	4.7	4.43	0.43	0.43–32.7	< 8
Chest X-ray	Increased reticular pattern in the perihilar and parahilar regions	Some consolidations in the parahilar region	Left lower parahilar bronchovascular crowding with subtle atelectasis	Consolidation in the right perihilar and parahilar region	Increased reticular pattern in the perihilar and parahilar regions	—	—
Echocardiogram (first evaluation)	EF < 50%	Normal	Mild mitral and tricuspid insufficiency; minimal pericardial effusion	Mild mitral and tricuspid insufficiency; minimal pericardial effusion	EF < 55%, mild mitral insufficiency, moderate tricuspid insufficiency	—	—
Echocardiogram (follow-up)	Normal	Normal	Normal	Normal	Normal	—	—
Exploratory laparoscopy	+	−	−	−	−	−	−
Treatment
IGIV	+	+	+	+	+
Corticosteroids	+	+	+	+	+
Aspirin	−	+	−	−	+
Heparin	+	−	−	−	+
Antibiotics	+	+	+	+	+
Diuretics	−	−	−	−	+
Oxygen	−	−	−	−	+
TPN	−	−	−	−	+