Table 3.

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

	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

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.