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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.