BioMed Research International / 2016 / Article / Tab 3

Research Article

Relation between Resting State Front-Parietal EEG Coherence and Executive Function in Parkinson’s Disease

Table 3

Relation between EEG alpha coherence in the frontoparietal electrode pair and clinical characteristics in PD patients.

Low F3-P3 (left side)
coherence group
High F3-P3 (left side)
coherence group
Low F4-P4 (right side)
coherence group
High F4-P4 (right side)
coherence group

Age (years)70.0 (42–87)61.5 (34–81)70.5 (42–87)59.0 (34–76)


Disease duration (months)48 (9–192)60 (9–228)0.13050 (9–192)60 (9–228)0.300

HY stage3.0 (1–5)2.0 (1–4)

Standardized BADS score85 (46–114)95 (56–124)0.03285 (51–114)95 (46–124)0.055

Age-controlled standardized BADS score89 (54–124)94 (53–124)0.06384 (59–124)94 (53–124)0.152

Data are expressed as median (range) or .
BADS: Behavioral Assessment of the Dysexecutive Syndrome; HY stage: Hoehn and Yahr stage; PD: Parkinson’s disease.
The low coherence group had coherence <0.5 and the high coherence group had coherence ≥0.5.
Age, sex, and HY stage were compared across groups using Fisher’s exact test. Disease duration, standardized BADS score, and age-controlled standardized BADS score were compared across groups using the Mann-Whitney test. Statistically significant ().

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