Variables | Â | Cognitive intact | Cognitive impaired | z- value | p |
---|---|---|---|---|---|
speed(m/sec) | Walk | 0.95 ± 0.21 | 0.88 ± 0.27 | 0.404 | ns |
 | Walk +DT | 0.78 ± 0.24 | 0.83 ± 0.20 | 0.293 | ns |
stride frequency | Walk | 0.84 ± 0.09 | 0.80 ± 0.12 | 0.686 | ns |
(strides/sec) | Walk +DT | 0.77 ± 0.12 | 0.78 ± 0.10 | 0.692 | ns |
mean stride time (sec) | Walk | 1.20 ± 1.44 | 1.27 ± 0.19 | 0.564 | ns |
 | Walk +DT | 1.32 ± 0.19 | 1.29 ± 0.16 | 0.692 | ns |
CV stride time (%) | Walk | 2.95 ± 1.77 | 4.20 ± 2.70 | 0.564 | ns |
 | Walk +DT | 5.00 ± 2.67 | 3.67 ± 1.67 | 1.20 | ns |
PVI (%) | Walk | 11.29 ± 7.43 | 15.87 ± 5.89 | 1.32 | ns |
 | Walk +DT | 20.84 ± 8.51 | 14.32 ± 8.02 | 2.18 |    0.03 |
α stride times | Walk | 0.87 ± 0.15 | 0.84 ± 0.16 | 0.86 | ns |
 | Walk +DT | 0.74 ± 0.15 | 0.84 ± 0.11 | 2.23 |    0.03 |