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Table 3 Correlations between QEEG and Cognition, Serum Anticholinergic Activity and Functional Outcome

From: Serum anticholinergic activity and cerebral cholinergic dysfunction: An EEG study in frail elderly with and without delirium

 

aP-Peak frequency

A/TD-ratio

rP-Delta

rP-Theta1

rP-Theta2

rP-Alpha1

rP-Alpha2

MMSE (n = 49)

r = 0.53

p < 0,0001

r = 0.31

p = 0.027

r = -0.40

p = 0.004

r = -0.55

p = 0.000

r = 0.09

p = 0.526

r = 0.51

p < 0.0001

r = 0.37

p = 0.010

DI (n = 40)

r = -0.46

p < 0,003

r = -0.32

p = 0.04

r = 0.22

p = 0.18

r = 0.49

p = 0.001

r = 0.09

p = 0.526

r = -0.36

p < 0.023

r = -0.26

p = 0.09

SAA (n = 47)

r = 0.20

p = 0.171

r = 0.16

p = 0.280

r = 0.17

p = 0.242

r = 0.27

p = 0.067

r = -0.22

p = 0.137

r = 0.09

p = 0.538

r = 0.01

p = 0.98

BI-ADL admission (n = 45)

r = 0.01

p = 0.96

r = -0.06

p = 0.684

r = -0.28

p = 0.065

r = -0.17

p = 0.256

r = 0.22

p = 0.146

r = 0.12

p = 0.437

r = 0.22

p = 0.148

BI-ADL Discharge (n = 38)

r = 0.23

p = 0.174

r = 0.40

p = 0.012

r = -0.39

p = 0.016

r = -0.23

p = 0.172

r = -0.14

p = 0.404

r = 0.46

p = 0.004

r = 0.45

p = 0.004

  1. Correlations are given for the whole group without extremes (n = 49). aP/rP = absolute/relative Power, SAA = Serum Anticholinergic Activity, BI-ADL = Barthel Index, DI = Delirium Index; significant results are bold.