Table 2

Clinical characteristics of patients with DLB

	DLB n=211		Test statistic, P*
	Pro-DLB n=57	DLB-d n=154	Test statistic, P*
Hallucinations†	59.6	72.7	χ²=3.338,
Hallucinations†	59.6	72.7	P=0.0677
Fluctuations†	82.5	81.7	χ²=0.01605
Fluctuations†	82.5	1 ND	p = 0.8992
Parkinsonism
Rigidity	77.2	86.4	χ²=2.588,
Rigidity	77.2	86.4	P=0.10777
Akinesia	57.9	85.1	χ²=17.74,
Akinesia	57.9	85.1	P<0.0001
Tremor at rest	28.1	27.9	χ²=0.000453,
Tremor at rest	28.1	27.9	P=0.9830
RBD	50	39.8	χ²=1.581,
RBD	1 ND	41 ND	P=0.2087
Hippocampi atrophy‡ 0/1/2/3/4
Left hippocampus	28/10/6/3/0	38/27/21/4/2	U=1764,
Left hippocampus	10 ND	62 ND	P=0.0573
Right hippocampus	27/14/6/0/0	35/28/19/9/1	U=1594
Right hippocampus	10 ND	62 ND	P=0.0069
FCSRT§	21.1	71.1	χ²=40.81,
FCSRT§	21.1	19 ND	P<0.0001

*χ² Mann-Whitney test (U).
†Percentage.
‡According to Scheltens et al (1992).
§Percentage of deficient patients.
DLB, dementia with Lewy bodies; DLB-d, DLB at demented stage; FCSRT, Free and Cued Selective Reminding Test; N, number; ND, not done; pro-DLB, DLB at prodromal stage; RBD, rapid eye movement sleep behaviour disorder.