Table 3 Incidence of new cases of Alzheimer’s disease by 1,000 person-years and by clinical and pathological classifications
Incidence/1,000 person-years | ||||||
|---|---|---|---|---|---|---|
Clinical classification | Pathological classification | |||||
Age group | Preclinical | Prodromal | Dementia | Thal1 | Thal2 | Thal3 |
40 to 44 | 24.01 | 0.13 | 0.00 | 23.07 | 1.68 | 1.11 |
45 to 49 | 5.61 | 0.31 | 0.00 | 5.61 | 2.58 | 0.68 |
50 to 54 | 7.53 | 0.64 | 0.16 | 7.53 | 4.98 | 1.54 |
55 to 59 | 18.51 | 1.45 | 0.46 | 18.51 | 10.00 | 2.44 |
60 to 64 | 27.60 | 3.49 | 0.70 | 27.60 | 16.98 | 3.32 |
65 to 69 | 32.76 | 7.65 | 1.87 | 32.76 | 18.13 | 7.08 |
70 to 74 | 10.43 | 16.24 | 4.22 | 10.43 | 28.14 | 12.14 |
75 to 79 | 10.34 | 32.65 | 7.50 | 10.34 | 28.72 | 14.21 |
80 to 84 | 10.10 | 57.29 | 15.27 | 10.10 | 10.51 | 20.27 |
85 to 89 | 13.80 | 16.98 | 35.33 | 13.80 | 11.22 | 26.84 |
90 to 94 | 12.09 | 22.32 | 61.83 | 12.09 | 12.09 | 36.26 |
>95 | 33.85 | 23.44 | 109.38 | 33.85 | 49.48 | 104.17 |