Table 1.
Temporal and spatial parameters of the camera- and IMU-based systems obtained from the three separate hospitals
| Velocity (m/s) | Stride length (m) | Stance phase (%) | Swing phase (%) | ||
|---|---|---|---|---|---|
| National Rehabilitation Center | IMU | 1.22±0.06 | 1.26±0.09 | 58±2.0 | 42±1.0 |
| Camera-based system | 1.30±0.08 | 1.21±0.10 | 63±1.0 | 37±2.0 | |
| Veterans Health Service Medical Center | IMU | 1.19±0.05 | 1.25±0.03 | 58±2.0 | 42±2.0 |
| Camera-based system | 1.24±0.10 | 1.29±0.07 | 61±2.0 | 39±1.0 | |
| Yonsei University Hospital | IMU | 1.18±0.08 | 1.19±0.12 | 57±3.0 | 43±2.0 |
| Camera-based system | 1.23±0.11 | 1.24±0.03 | 61±1.0 | 39±1.0 |
Values are presented as mean±standard deviation.
IMU, inertial measurement unit.