Deep Brain Stimulation Frequency of the Subthalamic Nucleus Affects Phonemic and Action Fluency in Parkinson’s Disease

Table 3

Comparisons of verbal fluency tasks between moments of administration.

Verbal fluency task	Moment 1	Moment 2	Difference	CI 95%
	Mean ± SD	Mean ± SD
Phonemic, P	14.53 ± 1.61	14.47 ± 1.89	0.05	−2.96–3.07	0.973
Phonemic, FAS	25.26 ± 2.88	25.39 ± 15.33	−0.11	−3.36–3.15	0.949
Semantic, animals	13.26 ± 1.07	13.42 ± 1.22	−0.16	−1.86–1.54	0.856
Unconstrained	29.63 ± 2.50	27.58 ± 3.00	2.05	−1.76–5.87	0.292
Action	8.39 ± 1.00	9.11 ± 1.30	−0.72	−2.65–1.21	0.463

SD: standard deviation; CI: confidence interval.