Subject Demographics
| Variable | FOG+ (n = 9) | FOG− (n = 9) | P |
| Sex (n) | 0.066 | ||
| Male | 5 | 8 | |
| Female | 4 | 1 | |
| Age (y) | 68 ± 6 | 65 ± 5 | 0.235 |
| Time since disease onset (y)* | 9 ± 6 | 8 ± 3 | 0.863 |
| Laterality of predominant motor symptoms (n) | 0.500 | ||
| Right | 3 | 2 | |
| Left | 6 | 7 | |
| Hoehn and Yahr Scale* | 3 ± 1 | 2 ± 0 | 0.258 |
| MDS-UPDRSIII score (off drug) | 48 ± 8 | 41 ± 7 | 0.064 |
| DOPA equivalent dose (mg) | 893 ± 617 | 751 ± 272 | 0.557 |
| NFOG Questionnaire score* | 13 ± 8 | 0 ± 0 | <0.001 |
| Montreal Cognitive Assessment | 28 ± 2 | 29 ± 2 | 0.321 |
| Hospital Anxiety and Depression Scale | |||
| Anxiety | 6 ± 3 | 4 ± 2 | 0.067 |
| Depression | 7 ± 4 | 4 ± 2 | 0.103 |
↵* Nonparametric tests used.
MDS-UPDRSIII = Movement Disorders Society Unified Parkinson’s Disease Rating Scale, part III.
Data are mean ± SD for all variables except sex and laterality, represented as median ± interquartile range.