To estimate the risk of Parkinson's disease (PD) using Kaplan-Meier survival curves, and to estimate relative hazards of PD using Cox proportional hazards models adjusted for age (as time scale), sex, glucocerebrosidase (GBA1) genotype category (mild versus severe mutations), and disease severity (history of bone crisis).
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Alcalay et al. (2024) studied this question.
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