Table 3.
Incidence rates per 100,000 per year for different subtypes of ischaemic stroke by age and sex in Aosta Valley, Italy in 2004–2008
| Number at risk | Atherothrombotic | Embolic | Lacunar | Other | Undetermined | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Incidence rate (95 % CI) | n | Incidence rate (95 % CI) | n | Incidence rate (95 % CI) | n | Incidence rate (95 % CI) | n | Incidence rate (95 % CI) | ||
| Men | |||||||||||
| 0–44 | 33,745 | 0 | 0 (0–0) | 4 | 2.4 (0–4.7) | 0 | 0 (0–0) | 5 | 3 (0.4–5.6) | 11 | 6.5 (2.7–10.4) |
| 45–54 | 9,115 | 1 | 2.2 (0–6.5) | 5 | 11 (1.4–20.6) | 7 | 15.4 (4–26.7) | 4 | 8.8 (0.2–17.4) | 9 | 19.7 (6.8–32.6) |
| 55–64 | 7,933 | 13 | 32.8 (15–50.6) | 8 | 20.2 (6.2–34.1) | 31 | 78.2 (50.7–105.7) | 0 | 0 (0–0) | 24 | 60.5 (36.3–84.7) |
| 65–74 | 6,341 | 28 | 88.3 (55.6–121) | 29 | 91.5 (58.2–124.7) | 34 | 107.2 (71.2–143.3) | 2 | 6.3 (0–15) | 56 | 176.6 (130.4–222.8) |
| 75–84 | 3,623 | 37 | 204.2 (138.5–270) | 39 | 215.3 (147.8–282.8) | 30 | 165.6 (106.4–224.8) | 0 | 0 (0–0) | 69 | 380.9 (291.2–470.6) |
| ≥85 | 831 | 12 | 288.8 (125.6–452) | 21 | 505.4 (289.8–721) | 14 | 336.9 (160.7–513.1) | 0 | 0 (0–0) | 20 | 481.3 (270.9–691.8) |
| Subtotal | 61,588 | 91 | 29.6 (23.5–35.6) | 106 | 34.4 (27.9–41) | 116 | 37.7 (30.8–44.5) | 11 | 3.6 (1.5–5.7) | 189 | 61.4 (52.6–70.1) |
| Standardiseda | 32.2 (25.9–38.6) | 38.9 (32–45.9) | 40 (32.9–47.1) | 3.5 (1.4–5.6) | 65.7 (56.7–74.8) | ||||||
| Standardisedb | 11.8 (8–15.6) | 14.9 (10.6–19.2) | 17.5 (12.8–22.1) | 3.5 (1.4–5.6) | 28.8 (22.8–34.8) | ||||||
| Women | |||||||||||
| 0–44 | 31,869 | 0 | 0 (0–0) | 0 | 0 (0–0) | 0 | 0 (0–0) | 1 | 0.6 (0–1.9) | 11 | 6.9 (2.8–11) |
| 45–54 | 8,777 | 0 | 0 (0–0) | 3 | 6.8 (0–14.6) | 1 | 2.3 (0–6.7) | 1 | 2.3 (0–6.7) | 6 | 13.7 (2.7–24.6) |
| 55–64 | 7,700 | 2 | 5.2 (0–12.4) | 6 | 15.6 (3.1–28.1) | 5 | 13 (1.6–24.4) | 2 | 5.2 (0–12.4) | 14 | 36.4 (17.3–55.4) |
| 65–74 | 7,171 | 11 | 30.7 (12.6–48.8) | 26 | 72.5 (44.6–100.4) | 21 | 58.6 (33.5–83.6) | 1 | 2.8 (0–8.3) | 46 | 128.3 (91.2–165.3) |
| 75–84 | 5,670 | 30 | 105.8 (68–143.7) | 55 | 194 (142.8–245.2) | 45 | 158.7 (112.4–205.1) | 0 | 0 (0–0) | 90 | 317.5 (252–382.9) |
| ≥85 | 2,328 | 19 | 163.2 (89.9–236.6) | 70 | 601.4 (460.9–741.8) | 22 | 189 (110.1–267.9) | 0 | 0 (0–0) | 56 | 481.1 (355.4–606.8) |
| Subtotal | 63,515 | 62 | 19.5 (14.7–24.4) | 160 | 50.4 (42.6–58.2) | 94 | 29.6 (23.6–35.6) | 5 | 1.6 (0.2–3) | 223 | 70.2 (61–79.4) |
| Standardiseda | 13.9 (9.8–18) | 35.3 (28.8–41.9) | 21.8 (16.7–27) | 1.6 (0.2–2.9) | 53.4 (45.3–61.4) | ||||||
| Standardisedb | 4.4 (2.1–6.6) | 11.5 (7.8–15.3) | 7.5 (4.5–10.6) | 1.3 (0–2.5) | 23.1 (17.8–28.4) | ||||||
| Total | |||||||||||
| 0–44 | 65,614 | 0 | 0 (0–0) | 4 | 1.2 (0–2.4) | 0 | 0 (0–0) | 6 | 1.8 (0.4–3.3) | 22 | 6.7 (3.9–9.5) |
| 45–54 | 17,892 | 1 | 1.1 (0–3.3) | 8 | 8.9 (2.7–15.1) | 8 | 8.9 (2.7–15.1) | 5 | 5.6 (0.7–10.5) | 15 | 16.8 (8.3–25.3) |
| 55–64 | 15,633 | 15 | 19.2 (9.5–28.9) | 14 | 17.9 (8.5–27.3) | 36 | 46.1 (31–61.1) | 2 | 2.6 (0–6.1) | 38 | 48.6 (33.2–64.1) |
| 65–74 | 13,512 | 39 | 57.7 (39.6–75.8) | 55 | 81.4 (59.9–102.9) | 55 | 81.4 (59.9–102.9) | 3 | 4.4 (0–9.5) | 102 | 151 (121.7–180.3) |
| 75–84 | 9,293 | 67 | 144.2 (109.7–178.7) | 94 | 202.3 (161.4–243.2) | 75 | 161.4 (124.9–197.9) | 0 | 0 (0–0) | 159 | 342.2 (289.1–395.3) |
| ≥85 | 3,159 | 31 | 196.3 (127.2–265.3) | 91 | 576.1 (458.1–694.2) | 36 | 227.9 (153.6–302.3) | 0 | 0 (0–0) | 76 | 481.2 (373.2–589.1) |
| Subtotal | 125,103 | 153 | 24.5 (20.6–28.3) | 266 | 42.5 (37.4–47.6) | 210 | 33.6 (29–38.1) | 16 | 2.6 (1.3–3.8) | 412 | 65.9 (59.5–72.2) |
| Standardiseda | 21.6 (17.9–25.2) | 37.4 (32.7–42.2) | 30 (25.7–34.3) | 2.5 (1.3–3.8) | 59 (53–65) | ||||||
| Standardisedb | 7.7 (5.5–9.9) | 13.3 (10.4–16.2) | 12.3 (9.6–15) | 2.4 (1.2–3.6) | 25.8 (21.8–29.8) | ||||||
aAge-adjusted rate standardised to the Italian population
bAge-adjusted rate standardised to the world population