TABLE 2.

Comparison of laboratory findings between patients with MIS‐C and patients with Kawasaki disease or Kawasaki disease shock syndrome. ⁵ , ¹² , ¹³ , ¹⁷

Variables	MIS‐C	KD	KDSS
Neutrophilia	+	+	+
Lymphopenia	++	±	±
PLT	↓ or normal	↑	↓, normal, or ↑
CRP	↑↑	↑	↑
PCT	↑↑	normal or ↑	↑
IL‐6	↑↑	normal or ↑	↑↑
FER	↑	normal or ↑	normal or ↑
Troponin	↑↑	normal or ↑	normal or ↑
Pro‐BNP	↑↑	normal or ↑	↑

++, almost always present; +, generally present; ±, may be present or absent; ↑↑, highly increased; ↑, increased; ↓, decreased. MIS‐C, multisystem inflammatory syndrome in children; KD, Kawasaki disease; KDSS, Kawasaki disease shock syndrome; PLT, platelets; CRP, C‐reactive protein; PCT, procalcitonin; IL‐6, interleukin 6; FER, ferritin; Pro‐BNP, pro‐brain natriuretic peptide.