Table 1. Clinical characteristics of patients with Parkinson with and without FOG.
| Parameter | PD+FOG | PD-FOG | Controls | P-value |
|---|---|---|---|---|
| Age (years) | 64.5 (8.6) | 64.6 (9.1) | 65.8 (8.4) | 0.85 |
| Edinburgh Handedness Inventory | 100 (80–100) | 100 (90–100) | 100 (90–100) | 0.89 |
| MMSE (0–30) | 28 (28–29) | 28 (26–30) | 29 (29–30) | 0.15 |
| Disease duration (years) | 10.3 (5.5) | 5.8 (4.5) | NA | 0.01* |
| MDS-UPDRS-III (0–108) | 35.9 (14.8) | 32.4 (11.7) | NA | 0.44 |
| H&Y (0-V) | 2 (2–2) | 2 (2–2) | NA | 0.34 |
| NFOG-Q (0–23) | 15 (8–19) | 0 (0–0) | NA | <0.01* |
| LED (mg/24h) | 398 (256) | 399 (259) | NA | 0.21 |
Abbreviations: MMSE = Mini Mental State Examination; MDS-UPDRS-III = Movement Disorders Unified Parkinson’s disease rating scale part 3; H&Y = Hoehn and Yahr stage; NFOG-Q = New freezing of gait questionnaire; LED = levodopa equivalent dose.
Results are presented as mean and 1 standard deviation for normally distributed data and as the median and interquartile range (Q1-Q3) for non-normally distributed data. NA = not applicable.
* indicates p-value <0.05.