Figure 3. Time From Study Enrollment to Dementia Diagnosis for Participants With PD and HCs in the PPMI Cohort.
HC = healthy control; MoCA = Montreal Cognitive Assessment; PD = Parkinson disease; PPMI = Parkinson's Progression Markers Initiative.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.