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) |