Table 2

Clinical characteristics of patients with DLB

DLB n=211Test statistic, P*
Pro-DLB n=57DLB-d n=154
Hallucinations†59.672.7χ2=3.338,
P=0.0677
Fluctuations†82.581.7χ2=0.01605
1 NDp = 0.8992
Parkinsonism
 Rigidity77.286.4χ2=2.588,
P=0.10777
 Akinesia57.985.1χ2=17.74,
P<0.0001
 Tremor at rest28.127.9χ2=0.000453,
P=0.9830
RBD5039.8χ2=1.581,
1 ND41 NDP=0.2087
Hippocampi atrophy‡ 0/1/2/3/4
 Left hippocampus28/10/6/3/038/27/21/4/2U=1764,
10 ND62 NDP=0.0573
 Right hippocampus27/14/6/0/035/28/19/9/1U=1594
10 ND62 NDP=0.0069
FCSRT§21.171.1χ2=40.81,
19 NDP<0.0001
  • 2 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.