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Table 3 Correlations between connectivity matrices

From: Sensitive and reproducible MEG resting-state metrics of functional connectivity in Alzheimer’s disease

AEC-c PLI
AD SCD AD SCD
Delta (0.5–4 Hz) rs = 0.74
p < 0.001*
Delta (0.5–4 Hz) rs = 0.60
p < 0.001*
Delta (0.5–4 Hz) rs = 0.13
p < 0.001*
Delta (0.5–4 Hz) rs = 0.11
p < 0.001*
Theta (4–8 Hz) rs = 0.70
p < 0.001*
Theta (4–8 Hz) rs = 0.71
p < 0.001*
Theta (4–8 Hz) rs = 0.23
p < 0.001*
Theta (4–8 Hz) rs = 0.09
p < 0.001*
Alpha (8–13 Hz) rs = 0.62
p < 0.001*
Alpha (8–13 Hz) rs = 0.87
p < 0.001*
Alpha (8–13 Hz) rs = 0.41
p < 0.001*
Alpha (8–13 Hz) rs = 0.49
p < 0.001*
Beta (13–30 Hz) rs = 0.87
p < 0.001*
Beta (13–30 Hz) rs = 0.82
p < 0.001*
Beta (13–30 Hz) rs = 0.21
p < 0.001*
Beta (13–30 Hz) rs = 0.37
p < 0.001*
Gamma (30–48 Hz) rs = 0.42
p < 0.001*
Gamma (30–48 Hz) rs = 0.25
p < 0.001*
Gamma (30–48 Hz) rs = 0.06
p < 0.001*
Gamma (30–48 Hz) rs = 0.03
p = 0.0910
  1. Spearman’s rho coefficients (d.f. 88) correlating the connectivity matrices for the test and validation cohorts, for the AD and SCD groups. On the left side, the results for the AEC-c are displayed, and on the right, the results for the PLI
  2. *Bold print depicts a significant (p < 0.05) correlation