Table 1. Demographic and disease characteristics.

Variable	All subjects (N = 45) mean±SD (range)
Age (years)	64.3±9.8 (49–84)
Gender (male/female)	29/16
Disease duration (years)	6.1±4.7 (1–15)
Hoehn-Yahr stage (stage)	1.8±0.8 (1–3)
UPDRS-III (score)	16.5±7.5 (7–33)
FOGQ (score)	9.7±7.1 (0–24)
Tinetti balance (score)	13.7±3.0 (7–16)
Turn time-more affected side (seconds)	3.5±2.2 (0.56–10.40)
Turn time-less affected side (seconds)	3.1±2.9 (0.38–10.85)

Abbreviations: UPDRS, Unified Parkinson’s Disease Rating Scale; FOGQ, freezing of gait questionnaire; SD, standard deviation.