Table 4.

Comparison of neuropsychological assessment of DLB and AD

	DLB (n=363)	AD (n=753)	p-value
MMSE (mean ± SD)	23.61 ± 4.79	24.20 ± 4.02	0.031*
Memory
Total number of story units recalled (mean ± SD)	6.08 ± 4.23	5.71 ± 4.11	0.164
Logical Memory IIA — Delayed — Total number of story units recalled (mean ± SD)	4.25 ± 4.10	3.30 ± 4.03	< 0.001***
Logical Memory IIA — Delayed — Time elapsed since Logical Memory IA (mean ± SD)	22.76 ± 6.41	22.13 ± 6.35	0.125
Language
Animals (mean ± SD)	12.18 ± 5.41	13.45 ± 5.34	< 0.001***
Vegetables (mean ± SD)	7.46 ± 3.79	8.5 ± 3.85	< 0.001***
Boston Naming (mean ± SD)	23.18 ± 5.72	23.01 ± 5.88	0.659
Attention
Digit span forward length (mean ± SD)	6.07 ± 1.18	6.19 ± 1.21	0.119
Trail Making Test Part A (seconds) (mean ± SD)	75.82 ± 40.65	52.34 ± 28.26	< 0.001***
Executive function
Digit span backward length (mean ± SD)	3.72 ± 1.23	4.07 ± 1.14	< 0.001***
WAIS-R Digit Symbol (mean ± SD)	25.02 ± 13.24	31.02 ± 12.82	< 0.001***
Trail Making Test Part B (seconds) (mean ± SD)	213.25 ± 85.34	186.56 ± 88.24	< 0.001***

MMSE, Mini-Mental Status Exam; AD, Alzheimer’s disease; DLB, Dementia with Lewy bodies; WAIS-R: Wechsler Adult Intelligence Scale - Revised

^*p < 0.05

^**p < 0.01

^***p < 0.001