Characteristics of the three groups
| Group | Age— M (yrs) | Height—M (cm) | UPDRS— M (score) | Years since diagnosis—M (yrs) | Dose of levodopa—M (mg) | Sex |
| Parkinson's disease FOG | 72.4 (6.79) | 172.51 (8.51) | 32.8 (7.34) | 9.07 (5.29) | 1013.33 (390.27) | 13 male, 2 female |
| Parkinson's disease Non-FOG | 72.19 (6.23) | 170.66 (9.69) | 28.81 (6.35) | 5.97 (4.61) | 725.0 (449.81) | 10 male, 6 female |
| HC | 70.75 (5.98) | 167.96 (7.53) | NA | NA | NA | 6 male, 10 female |
M, mean.
Initially, 20 Parkinson's disease patients who had self-reported freezing were recruited for the study. Based on the described screening protocol employed to confirm freezing at the time of test, five patients were excluded and are not reported in the current data set.