Demographic and clinical data of control subjects and patients with PD, MSA and PSP.

* For patients taking levodopa drug treatment, scores given in the ‘on’ state.†From Parkinson's Plus Scale (Cerebellar Score, maximum 24; Occulomotor Score, maximum 21).MSA = multiple systems atrophy; PSP = progressive supranuclear palsy; PD = Parkinson's disease; MSA-P = multiple system atrophy parkinsonian variant; MSA-C = multiple system atrophy cerebellar variant; H&Y = Hoehn and Yahr; ADL = activities of daily living; UPDRS III = Unified Parkinson Disease Rating Scale-part III.Demographic and clinical data of control subjects and patients with PD, MSA and PSP.