Table 1
Baseline (PRE) relationships between Fahn-Tolosa-Marin Tremor Rating Scale (TRS) subscores and gait parameters
| Motor TRS | Midline TRS | Kinetic TRS | |
|---|---|---|---|
| Walking speed (m/s) | r=0.01, p=0.95 | r=0.31, p=0.14 | r=-0.11, p=0.60 |
| Step length (m) | r=0.10, p=0.63 | r=0.31, p=0.14 | r=-0.09, p=0.68 |
| Step time (s) | r=0.11, p=0.62 | r=-.13, p=0.55 | r=0.05, p=0.81 |
| Step width (m) | r=0.14, p=0.52 | r=0.07, p=0.74 | r=0.26, p=0.21 |
| Step length CV | r=0.22, p=0.30 | r=-0.07, p=0.73 | r=0.16, p=0.45 |
| Step time CV | r=0.08, p=0.71 | r=-0.35, p=0.09 | r=0.09, p=0.67 |
| Step width CV | r=-0.13, p=0.55 | r=-0.22, p=0.31 | r=-0.15, p=0.49 |
| Tandem missteps (%) | r=0.04, p=0.85 | r=0.08, p=0.71 | r=0.23, p=0.31 |
| Tandem speed (m/s) | r=-0.03, p=0.90 | r=-0.07, p=0.75 | r=-0.02, p=0.95 |
[i] r indicates Pearson’s rho, p indicates p-value.
Abbreviations: CV: coefficient of variation.
Figure 1
Correlations between Changes in Midline TRS Score and Changes in Mean Gait and Tandem Gait Parameters. Change = ON minus PRE.
Figure 2
Correlations between Changes in Midline TRS Score and Changes in Gait Variability Parameters. Change = ON minus PRE.