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Epidemiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Acute intermittent porphyria rarely presents before puberty.

Females are affected slightly more than males; 1.5 to 2.0:1.

The incidence in most parts of the world is 1.5 per 100,000; rates in Sweden are 1 per 100,000.

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