Table 3 Feature selection of turning characteristics using stepwise regression procedure
Turning features (reference value) | OR (95% CI) | B (SE) | p-value | RN2 |
|---|---|---|---|---|
People with PD and controls | ||||
Inner step length (43.40 cm) | 0.709 (0.571–0.881) | − 0.343 (0.111) | 0.002 | 0.896 |
Step width (15.44 cm) | 1.548 (1.158–2.071) | 0.437 (0.148) | 0.003 | |
Inner double support phase (26.20%) | 1.695 (1.134–2.533) | 0.528 (0.205) | 0.010 | |
Thorax ROM (33.72°) | 1.048 (1.000–1.099) | 0.047 (0.024) | 0.048 | |
Incline angle (6.27°) | 0.540 (0.326–0.895) | − 0.616 (0.258) | 0.017 | |
Freezers and non-freezers | ||||
Outer step length (36.43 cm) | 0.720 (0.594–0.874) | − 0.328 (0.098) | 0.001 | 0.650 |
Inner hip ROM (31.11°) | 1.282 (1.087–1.512) | 0.248 (0.084) | 0.003 | |
Inner ankle ROM (19.73°) | 0.823 (0.709–0.955) | − 0.195 (0.076) | 0.010 | |
Total distance of the COM (1.68 m) | 5.243 (1.093–25.148) | 1.657 (0.800) | 0.038 | |
Maximum anti-phase (17.89°) | 0.827 (0.728–0.940) | − 0.189 (0.065) | 0.004 | |
Outer contralateral temporal coordination (0.77 s) | 30.958 (1.265–746.089) | 3.433 (1.624) | 0.034 | |