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. 2021 Jan 5;268(5):1903–1912. doi: 10.1007/s00415-020-10367-8

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© The Author(s) 2021

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Fig. 1 — Participants classified as MCI (a) and PDD (b) over time, corrected for age at assessment and age at onset. Kaplan–Meier curves depicting the effect of sex on the proportion of participants classified as MCI (c) and PDD (d). % percentage, MCI mild cognitive impairment, PDD Parkinson’s disease dementia