Table 4.

Main features of classic Kawasaki disease and Kawasaki-like multisystem inflammatory syndrome. Numbers are percentages of people affected unless stated otherwise

Characteristics	Classic Kawasaki disease*	Kawasaki-like syndrome series
High risk population	Asian	African
Age	6 months-5 years	4-17 years
Incomplete form of Kawasaki disease†	5-20	48
Gastrointestinal symptoms	Uncommon	100
Kawasaki disease shock syndrome	2-7	57
Myocarditis with ventricular dysfunction	<1	76
Intensive care support	4	81
Levels of inflammatory markers	Increased	Noticeably increased
Lymphopaenia	Rare	81
Coronary artery dilations/aneurysm	4-13	24
Intravenous immunoglobulin resistance	10-20	24

^*Supported by Li et al,⁹ Saundankar et al,⁴⁰ Makino et al,⁶ and McCrindle et al.⁷

^†Incomplete form according to American Heart Association criteria⁷: fever ≥5 days, 2 or 3 principal clinical criteria of Kawasaki disease, and echocardiographic or laboratory features of Kawasaki disease.