Fig. 3: The partial correlation between assortativity coefficient and MoCA scores in PD + pRBD.

The assortativity coefficient was negatively correlated with MoCA scores in PD+pRBD after controlling for age, sex, educational level and mean frame-wise displacement. MoCA Montreal Cognitive Assessment, PD + pRBD Parkinson’s disease with probable rapid eye movement sleep behavior disorder. The area between the dotted lines represents 95% confidence interval.