Table 2.

Comparison of Multisystem Inflammatory Syndrome in Children and Kawasaki Disease Characteristics

Variable	Multisystem Inflammatory Syndrome	Kawasaki Disease
Alanine aminotransferase	↑	Normal or ↑
White blood cell differentiation	Neutrophilia, lymphopenia	Neutrophilia
Platelet count	↓	↑
PT/PTT	↑↑	Normal
Fibrinogen	↑ , Normal, or ↑	Normal ↑
Troponin	↑	Normal or
B-type natriuretic peptide	↑	↑ or Normal
Ferritin	↑	↑ or Normal
Circulatory shock	+	−
Ventricular dysfunction	+	+/−
Coronary artery/dilations/aneurysms	+	+
Hypotension	+/−	−
Gastrointestinal symptoms	++	Rare
Desquamation	+	+
Mucous membrane involvement	+/−	+
Respiratory distress	+	Rare
Rash	+	+
Altered mental status	+	−

+ = generally present; ++ = almost always present; − = generally absent; +/− = may be present or absent; ↑ = increased; ↑↑ = highly increased; ↓ = decreased; PT/PTT, prothrombin time and partial thromboplastin time.

From Nakra et al.⁹