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Table 1 Epidemiology of abdominal aortic aneurysm (AAA) in Malmö during 1971–1986 [13], 2000–2004 [14], 2006–2010 and 2010–2014

From: Decreasing incidence of ruptured abdominal aortic aneurysm already before start of screening

Study

Bengtsson et al.

Acosta et al.

Before start of screening

After start of screening

1971–1986

2000–2004

2006–2010

2010–2014

Demographic data

    

 Malmo Population

240 000

265 000

285 514

307 207

 Percentage > 75 years

6 %

10 %

9 %

8 %

 Ratio F:M in persons > 75 years

2:1

1:9:1

3:2

3:2

 Autopsy frequency

85 %

25 %

19 %

12 %

Incidence of rAAAa

    

 Men

8.4 (7.1–9.7)

18.1(14.8–21.4)

10.5 (7.9–13.1)

6.2 (4.2–8.2)

 60–69 years

16.0 (10.7–21.3)

45.6 (27.7–63.4)

19.3 (9.2–35.3)

8.9 (2.8–20.6)

 70–79 years

55.8 (42.7–68.9)

117 (84.3–149.0)

75.4 (45.2–105.6)

44.4 (21.9–66.9)

 80+ years

113 (75.9–150) 3.0

154 (102–206)

99.8 (57.2–142.4)

86.4 (46.52–126.3)

 Women

3.0 (2.2–3.8)

3.6 (2.2–5.1)

2.9 (2.3–3.5)

1.9 (0.8–3.0)

 60–69 years

0.8 (0.1–3.6)

6.5 (1.8–16.6)

7.2 (2.0–18.4)

0 (0–6.2)

 70–79 years

8.6 (4.5–12.7)

11.5 (4.6–23.7)

14.1 (5.2–30.8)

7.1 (1.5–21.7)

 80+ years

43.0 (28.3–57.7)

25.1 (12.5–44.9)

16.5 (6.6–34.0)

22.3 (10.1–42.4)

 All

5.6 (4.9–6.3)

10.6 (8.9–12.4)

6.1 (4.6–7.6)

4.0 (2.9–5.1)

Surgically treated/all rAAA(%)cases

    

 Men

52/155 (34)

62/116 (53)

38/59 (64)

17/38 (45)

 Women

9/60 (15)

5/25 (20)

12/17 (71)

6/12 (50)

 All

61/215 (28)

67/141 (48)

50/76 (66)

23/50 (46)

Incidence of elective AAA surgerya

    

 Men

5.9 (4.7–7.0)

10.1 (7.7–12.6)

10.3 (7.6–13.0)

12.8 (9.9–15.6)

 60–69 years

22.9 (16.5–29.2)

34.6 (19.1–50.2)

9.7 (1.2–18.5)

44.2 (27.0–61.6)

 70–79 years

33.5 (23.4–43.6)

67.7 (43.1–92.3)

113.1(76.1–150.1)

88.8 (57.0–120.6)

 80+ years

12.5 (3.4–32.1)

68.1 (33.6–102)

99.8 (57.1–142.1)

91.2 (50.2–132.2)

 Women

1.1 (0.6–1.6)

4.1 (2.6–5.6)

3.1 (1.7–4.5)

1.9 (0.8–3.0)

 60–69 years

2.8 (1.1–5.8)

12.9 (5.6–25.5)

5.4 (1.1–15.8)

3.3 (0–7.8)

 70–79 years

5.1 (2.4–9.3)

27.9 (14.6–41.1)

14.1 (5.2–30.1)

16.7 (4.4–29.0)

 80+ years

1.3 (0.0–7.3)

4.6 (0.6–16.5)

18.9 (8.0–37.1)

5.0 (0–11.8)

 All

3.4 (2.8–4.0)

7.0 (5.6–8.4)

6.6 (5.1–7.7)

7.0 (5.5–8.5)

Ratio (N/N) elective/acute surgery

    

 Men

2.1 (108/52)

1.0 (65/62)

1.5 (58/38)

4.4 (75/17)

 Women

2.4 (22/9)

5.6 (28/5)

1.5 (18/12)

2.0 (12/6)

 All

2.1 (130/61)

1.4 (93/67)

1.5 (76/50)

2.8 (87/23)

  1. aIncidence per 100,000 person years (95 % CI)