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Table 3 Braak, Thal, and ApoE status of forty contact sport athletes with post mortem diagnosis of CTE

From: Tau pathology in the medial temporal lobe of athletes with chronic traumatic encephalopathy: a chronic effects of neurotrauma consortium study

CTE stageApoE ε/ε a% bBraak stages%Thal phases%
II0 ε2/ε3(0)6 0(55)9 0(82)
9 ε3/ε3(82)4 I-II(36)2 1–3(18)
2 ε3/ε4(18)1 III-IV(9)0 4–5(0)
3 nac 0  V-VI(0)3 na 
  3 na   
III1 ε2/ε3(25)2 0(15)7 0(54)
2 ε3/ε3(50)2 I-II(15)4 1–3(31)
1 ε3/ε4(25)7 III-IV(54)2 4–5(15)
9 na 2 V-VI(15)0 na 
  0 na   
IV0 ε2/ε3(0)0 0(0)0 0(0)
6 ε3/ε3(60)0 I-II(0)5 1–3(56)
4 ε3/ε4(40)9 III-IV(100)4 4–5(44)
3 na 0 V-VI(0)4 na 
  4 na   
  1. aapolipoprotein E allele genotype
  2. bpercentage of cases with data
  3. cnot available