AAA is uncommon in individuals of African, Asian, and Hispanic heritage.
There are 15,000 deaths yearly in the U.S. secondary to AAA rupture. The frequency varies strongly between males and females. The peak incidence is among males around 70 years of age, the prevalence among males over 60 years totals 2-6%.
The frequency is much higher in smokers than in non-smokers (8:1), and the risk decreases slowly after smoking cessation. Other risk factors include hypertension and male sex. In the U.S., the incidence of AAA is 2-4% in the adult population.. AAA is 4-6 times more common in male siblings of known patients, with a risk of 20-30%.
Rupture of the AAA occurs in 1-3% of men aged 65 or more, the mortality is 70-95%.
Further Reading
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