Correlations of frontal resting-state EEG markers with MMSE scores in patients with Alzheimer’s disease

Table 3 Correlations between MMSE scores and markers recorded from F3

F3	Delta Median	Theta Median	Alpha Median	Theta/Alpha Power ratio	Delta Relative power	Theta Relative power	Alpha Relative power	Beta Relative power
MMSE overall score	− 0.599 0.740	− 0.618 0.516	− 0.328 22.165	− 0.599 1.476	− 0.445 6.907	− 0.604 0.674	0.435 7.747	0.786 0.006*
Orientation to time	− 0.642 0.315	− 0.667 0.185	− 0.528 2.342	− 0.415 19.192	− 0.330 21.822	− 0.531 2.231	0.214 51.040	0.766 0.011*
Orientation to place	− 0.624 0.455	− 0.559 1.462	− 0.313 24.971	− 0.471 10.160	− 0.468 5.256	− 0.486 4.187	0.324 22.863	0.731 0.035*
Attention and calculation	− 0.520 2.624	− 0.553 1.597	− 0.232 45.557	− 0.623 0.941	− 0.437 7.520	− 0.590 0.865	0.495 3.685	0.722 0.045*
Recall	− 0.467 5.306	− 0.532 2.210	− 0.279 32.779	− 0.574 2.273	− 0.326 22.490	− 0.565 1.312	0.366 15.697	0.685 0.121

Bold number means positive correlation. First line of each cell represents the Pearson correlation coefficient, and second line represents corrected p-value by multiplying by 280