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Table 1 Investigations of case 1 and case 2

From: Tender cervical lymphadenitis as a herald of multi-system inflammatory syndrome in COVID-19 infection of children and adolescents: a report of two cases

Investigation

Results of case 1

Results of case 2

Haemoglobin

13.4 g/dL [12–15]

12.8 g/dL [12–15]

White cell count (WBC)

11.5 × 103 [4–11 × 103]

6.06 × 103 [4–11 × 103]

Neutrophils

88%

91%

Lymphocytes

10%

7%

Platelets

105 × 103 [150–450 × 103].

79 × 103 [150–450 × 103]

C-Reactive Protein (CRP)

108 mg/dL [0–5]

CRP 311 mg/L [0–5],

Erythrocyte sedimentation rate [ESR]

38 mm/1st hour [< 20]

58 mm/1st hour [< 20]

Aspartate transaminase [AST]

200 U/L [< 35]

79 U/L [< 35]

Alanine transaminase [ALT

133 U/L [< 35]

76 U/L [< 35]

Lactate dehydrogenase [LDH]

573 U/L [< 250]

260 U/L [< 250]

Troponin I

0.051 [< 0.012]

0.03 [< 0.012]

Ferritin

498.2 ng/mL [9.3–159]

287 ng/mL [9.3–153]

D dimer

7.76 mg/L [< 0.5]

5260 mg/mL [< 0.5]

Procalcitonin

0.2 ng/mL [< 0.5]

2.5 ng/mL [< 0.5]

Blood culture

No growth

No growth

Sputum culture

No growth

No growth

COVID 19 IgM antibody titre

2.8 [< 0.9 to > 1.1],

3.7 [< 0.9 to > 1.1]

COVID-19 IgG antibody titre

28.9 [< 0.9 to > 1.1]

23 [< 0.9 to > 1.1]

ECG

Sinus tachycardia

Sinus tachycardia

2D Echocardiogram

Structurally normal heart with prominent and mildly dilated coronary arteries with no ectatic segments or aneurysms

Structurally normal heart with prominent and mildly dilated coronary arteries but no ectatic segments or aneurysms

HRCT

Not performed

Extensive consolidation with ground-glass opacities in dependant areas of bilateral lungs

CMV IgM antibodies

Negative

Not done

IMN IgM antibodies

Negative

 

ANA

1: 8

Not done

  1. HRCT high resolution computed tomography, CMV cytomegalovirus, IMN infectious mononucleosis, ANA anti-nuclear antibodies