Table 2.
Gait and static balance characteristics, Mean (SD) for all participants with Parkinson’s disease.
| Gait and Balance Characteristics | PD (n=199) Mean (SD) | ||
|---|---|---|---|
| Gait | Pace and Turning | Gait Speed (m/sec) | 0.96 (0.20) |
| Stride Length (m) | 1.08 (0.20) | ||
| Foot Strike Angle (deg) | 18.76 (6.46) | ||
| Turn Duration (sec) | 2.50 (0.41) | ||
| Turn Velocity (deg/sec) | 151.51 (34.58) | ||
| Number of steps in Turn (#) | 4.14 (0.83) | ||
| Rhythm | Gait cycle duration (sec) | 1.14 (0.11) | |
| Stance Time (% GCT) | 61.15 (2.09) | ||
| Swing Time (% GCT) | 38.85 (2.09) | ||
| Variability | Stride Length SD (m) | 0.06 (0.02) | |
| Foot Strike Angle SD (deg) | 2.51 (0.92) | ||
| Gait Cycle Duration SD (sec) | 0.04 (0.02) | ||
| Stance Time SD (% GCT) | 1.12 (0.53) | ||
| Swing Time SD (% GCT) | 1.12 (0.53) | ||
| Trunk Movement | ROM trunk coronal (deg) | 4.94 ± 2.77 | |
| ROM Trunk sagittal plane (deg) | 4.35 ± 1.89 | ||
| ROM trunk transverse plane (deg) | 8.71 ± 4.86 | ||
| Balance | Sway Area & Jerk | Sway Area† | 1.86 (7.15) |
| Jerk AP† | 1.55 (10.84) | ||
| Jerk ML† | 1.06 (5.93) | ||
| RMS AP† (m/s2) | 0.11 (0.08) | ||
| RMS ML† (m/s2) | 0.05 (0.05) | ||
| Sway Velocity | Velocity AP† (m/s) | 0.39 (0.35) | |
| Velocity ML† (m/s) | 0.17 (0.16) | ||
| Sway Frequency ML | Frequency ML (Hz) | 0.79 (0.35) | |
| 95 Frequency ML (Hz) | 2.29 (0.54) | ||
| Centroidal Frequency ML (Hz) | 1.00 (0.29) | ||
| Sway Frequency AP | Frequency AP (Hz) | 0.55 (0.24) | |
| 95 Frequency AP (Hz) | 1.64 (0.46) | ||
| Centroidal Frequency AP (Hz) | 0.69 (0.20) | ||
[Abbreviations: AP (Anterior-posterior), ML (Mediolateral), GCT (Gait Cycle Time), SD (StandardDeviation)]
†
Values log transformed for statistical analysis.