Table 4.
Predictive variables | SD | Odds ratio | 95% CI | |
---|---|---|---|---|
Feasible-stability-region measurement | 0.048 | 1.74 | 0.96–3.16 | |
Margin of stability | 0.055 | 1.22 | 0.66–2.26 | |
Floquet multiplier | 0.044 | 1.26 | 0.69–2.32 | |
Lyapunov exponent | Short-term | 0.516 | 1.14 | 0.52–2.51 |
Long-term | 0.041 | 1.22 | 0.68–2.20 | |
Gait parameters | Step length (m) | 0.066 | 1.27 | 0.71–2.28 |
Step width (m) | 0.029 | 1.50 | 0.92–2.93 | |
Step time (sec) | 0.019 | 1.11 | 0.52–2.41 |
The odds ratio indicates the factor by which the fall probability increases with an increase (for Lyapunov exponents and gait parameters) or decrease (for the feasible-stability-region measurement, margin of stability, and Floquet multiplier) of 1SD in the variable across all subjects.
CI: confidence interval.