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Table 1 FTD incidence rates, number of cases, and number of person-years by age group

From: Characteristics and progression of patients with frontotemporal dementia in a regional memory clinic network

Age group at diagnosis

Number of cases

Number of person-years

Incidence (per 100,000 person-years)

0–39

2

14,854,742

0.01

40–44

3

1,922,550

0.16

45–49

8

1,842,470

0.43

50–54

25

1,862,287

1.34

55–59

61

1,796,207

3.40

60–64

95

1,703,044

5.58

65–69

123

1,490,146

8.25

70–74

110

828,709

13.27

75–79

126

842,548

14.95

80–84

92

725,613

12.68

≥ 85

45

676,866

6.65

Total

690

28,545,202

2.42