Table 3: Descriptive statistics of the COHORT proband data.

Numbers and ages for a CAG repeat length
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57+ Total

At riskNumber 2 5 15 21 43 55 68 57 31 28 18 9 5 2 1 0 2 0 0 0 0 0 362
Ave age 61 64 48 55 50 45 42 39 37 31 34 34 27 23 30 35 42
Min age 60 61 26 37 25 21 21 18 19 19 20 21 20 21 30 23 18
Max age 62 69 66 70 88 67 71 62 51 44 51 53 40 25 30 47 88
sd 1 3 11 9 14 11 11 10 9 7 9 9 9 3. 17 13
% 0.6 1.4 4.1 5.8 11.9 15.2 18.8 15.7 8.6 7.7 5.0 2.5 1.4 0.6 0.3 0.0 0.6 0.0 0.0 0.0 0.0 0.0

Affected Number 2 1 6 7 67 128 148 144 143 93 83 47 34 21 18 9 7 10 6 3 3 15 995
Ave age 54 68 55 53 60 55 51 48 44 41 38 36 33 31 31 30 28 23 26 26 23 20 45
Min age 49 68 46 25 37 28 17 19 21 16 25 21 20 19 22 23 22 11 18 25 17 12 11
Max age 59 68 67 77 82 76 76 67 67 58 53 48 46 44 39 35 35 29 31 29 28 27 82
sd 7. 7 19 10 9 9 8 8 8 6 6 6 6 5 4 5 6 5 2 6 4 12
% 0.2 0.1 0.6 0.7 6.7 12.9 14.9 14.5 14.4 9.3 8.3 4.7 3.4 2.1 1.8 0.9 0.7 1.0 0.6 0.3 0.3 1.5

Total Number 4 6 21 28 110 183 216 201 174 121 101 56 39 23 19 9 9 10 6 3 3 15 1357