TABLE 2.

Clinical outcomes, outcomes from the EEG evaluation, and correlations between clinical outcomes and EEG analysis at baseline among patients with neuropsychiatric symptoms and probable dementia^a

			EEG at baseline
			α		β		δ		θ
Variable	N	Mean	r	p	r	p	r	p	r	p
Mini-Mental State Examination	65	21.0	−0.12	0.35	−0.21	0.09	0.08	0.52	0.01	0.95
Clinical Dementia Rating Scale	65	7.9	0.06	0.64	0.04	0.76	0.03	0.84	−0.05	0.68
Neuropsychiatric Inventory
Total	65	52.6	−0.09	0.48	−0.09	0.48	0.25	0.04	−0.02	0.88
Delusions	65	4.7	−0.16	0.20	0.22	0.07	0.21	0.10	−0.06	0.62
Hallucinations	65	3.2	−0.18	0.15	−0.05	0.71	0.18	0.15	0.14	0.28
Agitation	65	4.2	−0.10	0.42	−0.14	0.27	0.26	0.04	−0.11	0.39
Depression	65	5.5	−0.06	0.66	0.01	0.94	0.16	0.19	0.00	0.99
Anxiety	65	5.9	0.08	0.55	0.00	1.00	0.07	0.58	−0.08	0.51
Euphoria	65	0.6	0.03	0.80	−0.19	0.14	0.02	0.89	0.09	0.46
Apathy	65	8.1	−0.08	0.55	−0.12	0.32	0.21	0.09	−0.02	0.87
Disinhibition	65	3.1	−0.14	0.28	−0.13	0.30	0.19	0.14	0.03	0.84
Irritability	65	4.4	−0.15	0.22	−0.16	0.22	0.27	0.03	−0.02	0.86
Aberrant motor behavior	65	4.2	0.05	0.67	−0.05	0.67	0.03	0.78	−0.10	0.45
Nighttime behavior	65	4.6	0.02	0.90	−0.08	0.52	0.01	0.93	0.07	0.56
Appetite	65	4.0	0.09	0.49	0.01	0.94	−0.12	0.34	0.03	0.82
Cohen-Mansfield Agitation Inventory
Total	65	46.5	0.01	0.91	−0.06	0.65	0.18	0.15	−0.19	0.13
Physical aggressive behavior	65	11.8	−0.22	0.08	−0.19	0.13	0.27	0.03	0.05	0.70
Physical nonaggressive behavior	65	16.8	0.06	0.65	0.08	0.54	0.11	0.38	−0.31	0.01
Verbal aggressive behavior	65	5.0	−0.20	0.11	−0.25	0.04	0.33	0.01	0.07	0.56
Verbal nonaggressive behavior	65	12.9	−0.02	0.89	−0.06	0.62	0.17	0.17	−0.12	0.35
EEG at baseline
Alpha	65	0.32	–	–	–	–	–	–	–	–
Beta	65	0.14	–	–	–	–	–	–	–	–
Delta	65	0.24	–	–	–	–	–	–	–	–
Theta	65	0.30	–	–	–	–	–	–	–	–

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