Table 3.

Neuropathological diagnoses, 1997–2007

Neuropathological diagnosis	N	%
Normala	119	21
Alzheimer’s disease	316	56
Dementia with Lewy bodies	99	18
Parkinson’s disease	78	14
Vascular dementia	43	8
Progressive supranuclear palsy	41	7
Hippocampal sclerosis	35	6
Dementia lacking distinctive histology	9	2
Multiple system atrophy	5	0.9
Motor neuron disease with dementia	3	0.5
Corticobasal degeneration	2	0.4
Pick’s disease	2	0.4
Huntington’s disease	2	0.4

As more than one condition was often present in a single subject, the sum of the percentages exceeds 100

^aNo major clinical neurological diagnosis & age-consistent neuropathology only