Table 5.

Types of dementia in oldest-old subjects—autopsies.

			% of total autopsy cases of each cohort
Author	n	Mean age (years)	AD	VD	MIX	DLB	Others
Mizutani and Shimada, 1992	27	(100–106)	33.3	18.5	22.0	15.0	12.0
Seno et al., 1999	122	83.6 ± 8.2	34	35	11	−	20
Akatsu et al., 2002	158	72–91	46	22	2	18	12
Riekse et al., 2004	270	80.7 ± 5.6	12 (70%F)	7 (30%F)	?	?	?
White et al., 2005	363	85.5	19	27.5	39.5a		14b
Jicha et al., 2006	34	89.0	64.7	11.7	6.0	17.6	0
Bacchetta et al., 2007	110	90+	23.6	32.7	46.4	−	−
Schneider et al., 2007a	141	86	26	16	86c	17	?
Grinberg et al., 2009	206	75.6	33.6	46.8	22.4	−	−
Jellinger, 2008b	1680	83.3 ± 5.6	46.4/21.0c	13.1	4.8	8.5	6.3
Jellinger, 2009b	300	90+	41/32	9	12	4	2
Schneider et al., 2009a
Community cohort	194	89.8 ± 5.5	49.45	39.2	44.3	24.7	1.5
Clinical cohort	280	79.2 ± 10	66.1	17.9	27.5	21.4	6.1
Schneider et al., 2009b	179	89.7 ± 56	57.5	4.5	30.2	1.1	6.2
Brayne et al., 2009	113	91 (81–101)	67	35	26	5	?
White, 2009	183	72–90+	18.6	33.8	14.2	10.9	22.5
Jellinger and Attems, 2010a	1700	84.3 ± 5.6	45.7/25.0c	12.8	5.7	10.7d	4.2
Echavarri et al., 2012	200	78.7	26	2.0	28	0.5	47.5
Corrada et al., 2012	63	94 (90–104)	57	13.0		13.0	17.0

^a20.5% AD + CVLs, 10% Lewy neurites, 9% hippocampal sclerosis;

^bno cause of dementia identified;

^cAD + CVLs;

^dAD + LBs, AD, Alzheimer's disease.

VD, vascular dementia; MIX, mixed dementia (AD + cerebrovascular encephalopathy), CVD, cerebrovascular dementia; DLB, dementia with Lewy bodies; CVLs cerebrovascular lesions; LBs, Lewy bodies.