Table 3 Effects of DBS on dual task costs during serial 3 subtractions*
From: Impact of sub-thalamic nucleus deep brain stimulation on dual tasking gait in Parkinson’s disease
OFF meds | ON meds | |||||
|---|---|---|---|---|---|---|
OFF DBS | ON DBS | P-value OFF vs. ON DBS | OFF DBS | ON DBS | P-value OFF vs. ON DBS | |
Gait speed (m/sec) | -0.20 ± 0.14 | -0.22 ± 0.14 | 0.648 | -0.20 ± 0.16 | -0.22 ± 0.09 | 0.543 |
Stride length (m) | -0.16 ± 0.09 | -0.16 ± 0.11 | 0.823 | -0.17 ± 0.10 | -0.15 ± 0.11 | 0.778 |
Stride time (sec) | 0.08 ± 0.11 | 0.08 ± 0.10 | 0.433 | 0.07 ± 0.10 | 0.09 ± 0.10 | 0.398 |
Stride time variability (%) | 0.62 ± 0.81 | 0.84 ± 0.95 | 0.067 | 2.09 ± 3.17 | 1.01 ± 0.91 | 0.243 |
Swing time (%) | -1.09 ± 1.07 | -0.93 ± 0.91 | 0.247 | -1.21 ± 1.63 | -0.81 ± 1.00 | 0.904 |
Swing time variability (%) | 1.70 ± 1.44 | 1.78 ± 1.48 | 0.502 | 2.33 ± 3.97 | 1.19 ± 1.62 | 0.355 |