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Table 2 Cardiovascular risk classes in patients with Kawasaki disease

From: Revised recommendations of the Italian Society of Pediatrics about the general management of Kawasaki disease

Class I No abnormality of coronary arteries in the various phases of the disease
Class II Transient coronary artery ectasia that disappears within 8 weeks
Class III Single aneurysm of small-medium caliber between + 3 and + 7 SD in one or more arteries
Class IV One or more aneurysms ≥ 7 SD, including multiple and complex giant aneurysms without any obstruction
Class V Coronary artery obstruction at the angiography