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Table 2 Allele frequencies by age

From: APOE ε4 lowers age at onset and is a high risk factor for Alzheimer's disease; A case control study from central Norway

  Age Number Allele frequencies(%)
    ε2 ε3 ε4
  < 60 24 8.3 52.1 39.6
Alzheimer patients 60–69 74 6.8 41.9 51.4
Age at onset 70–79 169 5.6 50.3 44.1
  80–89 109 10.1 65.1 24.8
  < 60 13 11.5 65.4 23.1
Control persons 60–69 109 11.0 72.9 16.1
Age at inclusion 70–79 293 10.6 76.1 13.3
  80–89 135 12.6 72.2 15.2
  90–99 11 18.2 77.3 4.5