Additionally, there were no significant differences in terms of age, age at PD onset, Hoehn and Yahr (H&Y) stages, Movement Disorder Society-Unified Parkinson's disease rating scale (MDS-UPDRS) Part II scores, Scale for Outcomes in Parkinson's disease-Autonomic (SCOPA-AUT) scores, and Montreal Cognitive Assessment (MoCA) scores among the sPD, GBA PD, and LRRK2 PD patients (Table 1). Here, LRRK2 is linked to Parkinson disease.