TABLE 3.

Correlations between clinical and EEG outcomes at follow-up among patients with neuropsychiatric symptoms and probable dementia^a

			EEG at follow-up
			α		β		δ		θ
Variable	N	Mean	r	p	r	p	r	p	r	p
Mini-Mental State Examination	65	22.9	−0.13	0.32	−0.22	0.08	0.09	0.48	0.16	0.20
Clinical Dementia Rating scale	65	7.2	0.14	0.28	0.11	0.39	−0.12	0.36	−0.11	0.40
Neuropsychiatric Inventory
Total	65	15.5	0.07	0.55	0.07	0.61	0.04	0.73	0.02	0.85
Delusions	65	1.5	0.00	0.98	0.20	0.11	0.05	0.69	0.03	0.82
Hallucinations	65	0.2	0.00	0.97	−0.14	0.26	0.08	0.53	0.16	0.19
Agitation	65	0.6	−0.15	0.23	−0.12	0.36	0.25	0.04	0.14	0.26
Depression	65	1.8	0.09	0.45	0.26	0.03	−0.07	0.57	−0.09	0.49
Anxiety	65	1.4	0.15	0.23	0.14	0.26	−0.09	0.46	0.01	0.95
Euphoria	65	0.2	−0.16	0.21	−0.19	0.13	0.12	0.33	0.25	0.05
Apathy	65	4.8	0.13	0.32	0.02	0.88	0.07	0.58	−0.10	0.42
Disinhibition	65	0.7	−0.10	0.44	−0.11	0.39	0.06	0.66	0.31	0.01
Irritability	65	0.9	−0.02	0.88	0.03	0.83	0.01	0.95	0.14	0.27
Aberrant motor behavior	65	1.1	0.04	0.77	−0.13	0.32	0.06	0.63	0.03	0.79
Nighttime behavior	65	0.8	0.06	0.62	−0.10	0.44	0.03	0.83	0.11	0.38
Appetite	65	1.6	−0.11	0.38	−0.14	0.28	0.14	0.28	0.07	0.57
Cohen-Mansfield Agitation Inventory
Total	65	40.2	−0.04	0.76	−0.01	0.95	0.12	0.36	0.00	0.98
Physical aggressive behavior	65	11.2	0.04	0.78	−0.12	0.35	0.12	0.34	0.10	0.43
Physical nonaggressive behavior	65	14.6	−0.05	0.71	0.04	0.73	0.17	0.17	−0.07	0.57
Verbal aggressive behavior	65	3.8	−0.18	0.15	−0.10	0.43	0.25	0.05	0.12	0.33
Verbal nonaggressive behavior	65	10.6	0.00	0.97	−0.06	0.66	0.05	0.71	0.06	0.65
EEG at follow-up
Alpha	65	0.31	–	–	–	–	–	–	–	–
Beta	65	0.15	–	–	–	–	–	–	–	–
Delta	65	0.25	–	–	–	–	–	–	–	–
Theta	65	0.29	–	–	–	–	–	–	–	–

^aSpearman’s correlation coefficients between clinical outcomes and EEG outcomes are presented. Bold denotes statistically significant correlation.