Incidence

Most patients with this condition are under the age of 5.

The reported incidences of Kawasaki disease are:

• 3 per 100 000 in the UK
• 10 per 100 000 in the US
• 85 per 100 000 in Japan

There is a male-to-female ratio of between 1.5 : 1 and 2 :1

• incidence has a marked seasonality, with heightened incidence in winter and early spring in temperate climates and summer peaks in some Asian countries
• approximately 75% of cases occurring in children under 5 years of age
• a heightened incidence in people of Asian descent, both inside and outside Asia
• rising incidence has been observed worldwide over time, perhaps due to heightened awareness and recognition of the disease

Reference:

• Jamieson N1, Singh-Grewal D.Kawasaki Disease: A Clinician's Update.Int J Pediatr. 2013;2013:645391.