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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)