Table 1: Final sample characteristics.

CharacteristicHealthy old  
PD-FOG  
PD + FOG  

Sex (M/F)*†6/12 5/1110/1
Age (yrs)
Average baseline amplitude (cm)*
Average baseline cadence (taps per minute)
Hoehn and Yahr OFF¥
MDS-UPDRS-3 OF
FOG-Q score

All group(s) significantly different; P < 0.05.
Chi-square analysis; one-way ANOVA; Mann-Whitney U Test; Independent samples t-test.
Abbreviations:
M: male.
F: female.
Yrs: years.
MDS-UPDRS-3: Movement Disorder Society Unified Parkinson Disease Rating Scale Motor Subscale 3.
FOG-Q: Freezing of Gait Questionnaire.