Table 3.

Neuropathologic and clinical characteristics of brain donors by CTE status

	No CTE (n = 180)	Mild CTE (n = 163)	Severe CTE (n = 288)	All (n = 631)
Other neuropathologic diagnoses (%)
Alzheimer’s disease	39 (21.7%)	4 (2.5%)	56 (19.4%)	99 (15.7%)
Frontotemporal lobar degeneration	11 (6.1%)	11 (6.8%)	26 (9.1%)	48 (7.6%)
Lewy body disease	24 (13.4%)	13 (8.0%)	64 (22.2%)	101 (16.1%)
Motor neuron disease	0 (0.0%)	7 (4.3%)	13 (4.5%)	20 (3.2%)
Diagnosed dementia (%)	63 (36.7%)	45 (28.0%)	216 (76.3%)	324 (52.6%)

CTE chronic traumatic encephalopathy, IQR interquartile range, SD standard deviation