Fig. 4: Longitudinal study of dnPD cohort.

A Correlations of the baseline ALPS index with ΔUPDRS-III score in entire dnPD cohort. B Correlations of the baseline ALPS index with ΔUPDRS-III score in the longitudinal cohort of dnPD individuals aged 65 or older. ΔUPDRS-III was defined as the value at the end of follow-up minus the baseline value. Controlling for age, sex, education level, baseline disease duration, follow-up time, LED and baseline UPDRS-III score.