Table 2

Comparison of average CAA counts (mean (SE)) between smaller (40 or less) and larger (41 or more) total repeat numbers of the NEP polymorphism

CAA counts in subjects with
40 or less total repeats41 or more total repeatsStatistical difference* (p value)
*Mann-Whitney U test.
Total cases21.6 (2.7) (n=120)8.2 (2.8) (n=44)0.005
AD or non-AD
    AD33.0 (4.0) (n=59)20.2 (6.8) (n=16)0.118
    non-AD10.6 (2.9) (n=61)1.4 (0.9) (n=28)0.062
Status of APOE
    ε4 (+)26.9 (4.8) (n=35)12.5 (5.9) (n=12)0.052
    ε4 (−)19.5 (3.2) (n=85)6.6 (3.2) (n=32)0.040