Supplementary material
Table s1. Frequency of motor, cognitive and behavioral symptoms mandatory for the CBS or PSPs classification according to the Armstrong criteria (Armstrong et al., 2013).
CBS n=33
PSPs n=37 CBS criteria
Asymmetric limb rigidity or akinesia 97% 3%
Asymmetric limb dystonia 64% 5%
Asymmetric limb myoclonus 33% 0
Orobuccal or limb apraxia 94% 19%
Cortical sensory deficits 55% 3%
Alien limb phenomenon 3% 0
PSPs criteria
Axial or symmetric limb rigidity or akinesia 15% 97%
Postural instability or falls 18% 89%
Urinary incontinence 0 3%
Supranuclear vertical gaze palsy or decreased velocity 24% 89%
Behavioral changes 18% 43%