Cleft lip and palate epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Epidemiology and Demographics

Main article: Clefting prevalence in different cultures

Prevalence rates reported for live births for Cleft lip with or without Cleft Palate (CL +/- P) and Cleft Palate alone (CPO) varies within different racial groups.

The highest prevalence rates for (CL +/- P) are reported for Native Americans andAsians. Africans have the lowest prevalence rates.

• Native Americans: 3.74/1000
• Japanese: 0.82/1000 to 3.36/1000
• Chinese: 1.45/1000 to 4.04/1000
• Caucasians: 1.43/1000 to 1.86/1000
• Latin Americans: 1.04/1000
• Africans: 0.18/1000 to 1.67/1000

Rate of occurrence of CPO is similar for Caucasians, Africans, North American natives and Asians.

Prevalence of “cleft uvula” has varied from .02% to 18.8% with the highest numbers found among Chippewa and Navajo and the lowest generally in Africans.