Screening for prodromal parkinson disease in the general community: a sleep-based approach

• Using a three-step screening approach, candidates with possible idiopathic RBD can be identified from the general community with over 60% positive predictive value.• Compared to sleep-center controls, newspaper-screened patients have similar neurodegeneration profile, although short-latency Parkinson's disease markers are slightly less common.• Approximately 60% of idiopathic RBD patients meet criteria for Prodromal PD.

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