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Table 5 Performance on secondary tasks: number of subtractions (S3) and verbal fluency (VF)

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

S3 Sitting

16.09 ± 7.84

17.77 ± 8.23

0.055

16.77 ± 9.12

17.50 ± 8.56

0.830

S3 Walking

15.61 ± 7.77

15.66 ± 8.07

0.796

15.05 ± 7.75

17.94 ± 8.27

0.036

P-Value Sitting vs. Walking

0.659

0.001

 

0.157

0.311

 

VF Walking

6.26 ± 3.14

6.47 ± 1.92

0.732

6.66 ± 2.19

6.77 ± 2.57

0.855

  1. *Entries are the mean ± standard deviation number of words recited in each condition for verbal fluency and the mean ± standard deviation number of subtractions during the serial 3 subtraction task.