Table 2. Number of large aneurysms according to age and gender (aorta ≥ 50 mm at ultrasound) in a screening study carried out in São Paulo.

Population	Total (%)	Aneurysms found (%)	95% CI (%)
All	2,756 (100)	9 (0.33)	0.15 – 0.62
age > 60	1,517 (55)	8 (0.53)	0.23 – 1.04
age > 65	947 (34.3)	7 (0.74)	0.30 – 1.50
Male	1,228 (44.5)	7 (0.57)	0.23 – 1.17
male, age > 60	722 (26.1)	6 (0.83)	0.31 – 1.80
Female	1,528 (55.44)	2 (0.13)	0.02 – 0.40
female, age > 60	795 (28.8)	2 (0.25)	0.03 – 0.91

CI = confidence interval.