Table 1. Demographic and clinical characteristics of the participants.

Data are n (%) or mean±SD values. Modified from the original version of Kwon et al. Gait Posture 2017;58:1–6.¹¹

^*p<0.05.

MoCA-K: Korean version of the Montreal Cognitive Assessment, n.a.: not applicable, PD: Parkinson's disease, PIGD: postural instability and gait difficulty, UPDRS: Unified Parkinson's Disease Rating Scale.