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From the article:
The study found the lifetime risk of an abdominal aortic aneurysm were: 1 in 17 among all study participants; 1 in 9 among current smokers; 1 in 9 among those in the top third of smoking pack-years (number of cigarettes smoked over a lifetime), whether a current or former smoker; 1 in 12 among current female smokers.
Researchers also found those who had quit smoking for 3-8 years (recent quitters) still had an approximately 2.6 to 3.5 fold increased risk for both clinical and asymptomatic abdominal aortic aneurysm in the next 15 years compared to never smokers. Their lifetime risk was 6.6 percent higher than long-term quitters.
For women, authors note the steep increase in risk is particularly concerning given the United States Preventive Services Task Force recommends that current or former male smokers undergo an ultrasound screening for an abdominal aortic aneurysm once between the ages of 65 and 75 but makes no such recommendation for women.
The study also found that being older, white, or having high levels of bad cholesterol also increased the risk of abdominal aortic aneurysm.