Table 4 Effects of DBS on dual costs during the verbal fluency task*
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) | -0.21 ± 0.10 | -0.20 ± 0.08 | 0.615 | -0.22 ± 0.12 | -0.22 ± 0.09 | 0.681 |
Stride length (m) | -0.17 ± 0.08 | -0.16 ± 0.07 | 0.903 | -0.16 ± 0.07 | -0.15 ± 0.07 | 0.494 |
Stride time (sec) | 0.10 ± 0.12 | 0.07 ± 0.07 | 0.181 | 0.10 ± 0.13 | 0.08 ± 0.10 | 0.520 |
Stride time variability (%) | 0.61 ± 1.29 | 1.18 ± 1.73 | 0.192 | 1.61 ± 1.99 | 1.23 ± 1.46 | 0.687 |
Swing time (%) | -1.01 ± 1.20 | -1.13 ± 1.03 | 0.689 | -1.23 ± 1.30 | -1.45 ± 2.66 | 0.658 |
Swing time variability (%) | 1.82 ± 1.59 | 2.00 ± 2.44 | 0.958 | 2.60 ± 3.80 | 3.36 ± 8.63 | 0.573 |