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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Neurobiol Aging. 2019 Oct 14;85:83–95. doi: 10.1016/j.neurobiolaging.2019.10.004

Table 1.

Results of Multivariate Analyses of Variance (MANOVAs).

MANOVA-1
Factor Wilks' λ df F ratio P value Partial Eta2
Group 0.090 30,86 6.670 <.001 0.699
Age 0.581 15,43 1.666 0.0958 0.368
MANOVA-2
Factor Wilks' λ df F ratio P value Partial Eta2
Group 0.550 6,522 30.200 <.001 0.260
Spectral Power Ratio 0.399 3,261 36.100 <.001 0.290
Group*Spectral Power Ratio 0.532 6,522 29.100 <.001 0.250
Age 0.215 3,261 6.200 <.001 0.070

In MANOVA-1, the dependent variables included z-normalized, rectified scores on the Alzheimer's disease Assessment Scale-Cognitive Subscale, Activities of Daily Living, Digit Symbol Substitution Test, Semantic Fluency Test, Trail Making Test time and errors (difference Part B-Part A), Digit Span length forward and backward, Rey Auditory Verbal Learning Test (learning, delayed recall, delayed recognition), Logical Memory story (immediate and delayed recall), Boston Naming Test, and Geriatric Depression Scale. In MANOVA-2, the dependent variables include the averaged Z-scores of the three cognitive domains (Learning & memory, Dementia severity, Executive function). Spectral Power Ratio refers to a whole-brain averaged power ratio [(alpha + beta)/(delta + theta)] obtained from eyes-closed resting-state electroencephalography.