Table 2.
P values of GEEs with Group (G) and Step (S) as factors, and Speed (V, km/h) as covariate
| G | S | V | G × S | G × V | S × V | |
|---|---|---|---|---|---|---|
| Basic gait parameters | ||||||
| Stride length (m) | 0.61 | 0.00 | 0.00 | 0.00 | ||
| Frequency (strides/min) | 0.38 | 0.00 | 0.00 | 0.00 | ||
| Rotational amplitudes | ||||||
| Pelvis | 0.04 | 0.00 | 0.00 | 0.04 | ||
| Thorax | 0.85 | 0.00 | 0.00 | 0.00 | ||
| Lumbar segment | 0.33 | 0.00 | 0.92 | |||
| Thoracic spine | 0.61 | 0.44 | 0.00 | 0.00 | ||
| Lumbar spine | 0.66 | 0.00 | 0.00 | 0.01 | ||
| Total spine | 0.74 | 0.06 | 0.00 | 0.00 | ||
| Relative Fourier Phase | ||||||
| Thorax–lumbar | 0.23 | 0.00 | 0.00 | 0.01 | 0.00 | |
| Thorax–pelvis | 0.82 | 0.24 | 0.00 | 0.01 | 0.00 | |
| Thorax–leg | 0.82 | 0.00 | 0.01 | 0.02 | 0.00 | |
| Lumbar–pelvis | 0.69 | 0.30 | 0.00 | |||
| Lumbar–leg | 0.83 | 0.00 | 0.00 | 0.00 | ||
| Pelvis–leg | 0.56 | 0.00 | 0.00 | 0.00 | ||
| Arm swing | ||||||
| Amplitude | 0.81 | 0.01 | 0.00 | 0.00 | ||
| Arm–thorax RFP | 0.57 | 0.00 | 0.00 | 0.03 | 0.00 | |
| Arm–leg RFP | 0.53 | 0.00 | 0.00 | 0.00 | ||
Non-significant interactions were removed. No 3-way interaction was significant. Significant effects of Group, or interactions with Group are bold
G group (patients, or controls), S step (large, normal, or small), V speed (1.0, 2.5, 4.0, or 5.5 km/h), RFP Relative Fourier Phase (°)