. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Acta Neuropathol. 2015 May 6;130(1):21–34. doi: 10.1007/s00401-015-1435-y

Table 1.

Frequency of Aβ deposition in CTE

	n	Mean age at death (years)	APOE ε4 % (+/−)^a	DP freq (%)	NP freq (%)
CTE (all)	114	60	33 % (27/55)	52	36
Stage I	13	35	33 % (3/6)	15	0
Stage II	30	52	32 % (7/15)	33	20
Stage III	34	62	23 % (6/20)	44	27
Stage IV	37	75	44 % (11/14)	87	70
AD	319	80	59 % (13/9)	84	100

CTE Chronic traumatic encephalopathy, DP diffuse plaques, NP neuritic plaques, AD Alzheimer’s disease

% of both ε4 hetereozytes and homozygotes out of those cases with genotypes (n = 82)