Table 2

Differences between patients with Kawasaki disease with and without SARS-CoV-2 infection

Positive SARS-CoV-2 infection RT-PCR or serology (n=6)Negative SARS-CoV-2 infection RT-PCR or serology (n=6)P value
Female sex3 (50.0)3 (50.0)1
Age (years)5.3 (2.5–11.2)2.1 (1.2–3.1)0.078
Complete Kawasaki disease3 (50.0)4 (66.7)0.55
Symptoms prior to diagnosis
 Respiratory1 (16.7)1 (16.7)1
 Gastrointestinal6 (100)4 (66.7)0.45
 Neurological3 (50.0)2 (33.3)0.5
Development of aneurysms1 (16.7)2 (33.3)0.5
Lab values at admission
 C-reactive protein (mg/L)180 (119–252)87 (40–146)0.029
 Procalcitonin (ng/mL)4.65 (3.53–6.72)0.12 (0.08–0.28)0.02
 Ferritin (ng/mL)563 (212–1302)127 (89–277)0.065
 ESR (mm/hour)14 (7–41)33 (2–55)0.12
 NT pro-BNP (ng/L)4510 (1788–6417)400 (263–1969)0.015
 Platelet counts (x109/L)149 (114–233)408 (219–469)0.016
 Lymphopenia5 (83.3)3 (50.0)0.54
  • Data are expressed with n (%) or with medians and IQRs.

  • ESR, erythrocyte sedimentation rate; NT pro-BNP, N-terminal pro-brain natriuretic peptide; RT-PCR, real-time PCR; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.