Table 4.

Incidence of dementia among elderly Canadians in the nondemented and in the total populations

Age group, yWomenMenTotal
Rates (95% CI) are presented.
Based on nondemented population
65–697.1 (2.4–11.8)3.7 (0.7–7.3)5.5 (2.3–8.8)
70–747.9 (4.4–11.5)14.7 (9.4–20.1)10.9 (7.2–14.6)
75–7919.3 (13.3–25.3)26.5 (18.4–34.6)22.3 (16.3–28.2)
80–8444.0 (33.2–54.8)38.6 (27.5–49.7)42.0 (32.2–51.7)
85+110.2 (86.0–134.3)99.0 (74.0–124.0)106.5 (83.8–129.2)
All ages21.8 (16.5–27.0)19.1 (14.1–24.0)20.6 (15.8–25.4)
Based on total population
65–696.8 (2.3–11.4)3.7 (0.7–7.3)5.4 (2.3–8.6)
70–747.6 (4.2–11.0)14.4 (9.2–19.7)10.6 (7.0–14.2)
75–7917.7 (12.2–23.1)24.5 (17.0–32.0)20.5 (15.0–26.0)
80–8436.7 (27.7–45.7)32.6 (23.2–41.9)35.1 (26.9–43.2)
85+69.5 (54.2–84.6)70.7 (52.8–88.5)69.8 (54.9–84.7)
All ages19.8 (15.0–24.5)18.6 (13.7–23.3)18.9 (14.5–23.3)