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Table 2 Clinical characteristics of patients with VHF-DLB at the time of entry into the study

From: Differentiating between visual hallucination-free dementia with Lewy bodies and corticobasal syndrome on the basis of neuropsychology and perfusion single-photon emission computed tomography

Clinical characteristics Frequency (%) at investigation (N =30) Frequency (%) at follow-up (N =30)
Core features   
Parkinsonism 26 (86.7) 30 (100%)a
Rigidity 24 (80.0) -
Gait disturbance 21 (70.0) -
Bradykinesia 20 (66.7) -
Tremor 17 (56.7) -
Postural instability 15 (50.0) -
Hypomimia 15 (50.0) -
Fluctuating cognition 18 (60.0) 18 (60.0)
Visual hallucinations 0 (0) 0 (0)
Supportive features   
REM sleep behaviour disorder 7 (23.3) 7 (23.3)
Neuroleptic sensitivity 3 (10.0) 3 (10.0)b
Suggestive features   
Depressive symptoms 14 (46.7) 14 (46.7)
Systematised delusions 7 (23.3) 7 (23.3)
Orthostatic hypotension 5 (16.7) 5 (16.7)
Non-visual hallucinations 5 (16.7) 5 (16.7)
Syncope 1 (3.3) 1 (3.3)
  1. aAll patients developed parkinsonism within one year of investigation; bneuroleptic use avoided given DLB diagnosis. Only three patients were exposed to an antipsychotic and all had sensitivity. N, number; REM, rapid eye movement; VHF-DLB, visual hallucination-free dementia with Lewy bodies.
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