Table 2.

Clinical characteristics of aggressive and non-aggressive subjects.

Mean score±SD		Study populationn=79	Aggressive subjectsn=31	Non-aggressive subjectsn=48	Significancep
Neuropsychiatric Inventory	Hallucinations	1.0±2.4	1.9±3.4	0.4±1.1	0.09
	Delusions	1.7±3.2	1.8±3.6	1.6±3.0	0.7
	Aggression/agitation	2.7±4.0	6.7±3.9	0.2±0.7	<0.001
	Depression/dysphoria	2.9±3.8	2.3±3.8	3.3±3.9	0.19
	Anxiety	1.7±2.6	0.7±1.4	2.4±3.0	0.004
	Euphoria	0.3±1.5	0.1±0.4	0.4±1.9	0.53
	Apathy	1.2±3.0	1.4±3.6	1.1±2.6	0.7
	Disinhibition	0.7±2.2	1.5±3.3	0.2±0.6	0.01
	Irritability	0.9±2.1	2.2±3.0	0.1±0.5	0.03
	Aberrant motor activity	1.0±2.6	1.8±3.6	0.5±1.6	<0.001
	Sleep disorders	1.3±2.5	0.9±1.7	1.5±2.9	0.44
	Eating disorders	1.2±2.6	1.0±2.1	1.3±2.9	0.71
	Total score	16.4±11.6	22.1±10.9	12.8±10.7	<0.001
CMAI	Non-aggressive physical behaviour	21.8±11.8	29.9±14.6	16.9±5.6	<0.001
	Non-aggressive verbal behaviour	6.9±4.1	8.5±4.6	5.9±3.3	0.003
	Aggressive physical behaviour	12.2±7.9	17.1±11.0	9.1±0.9	<0.001
	Aggressive verbal behaviour	5.4±3.8	8.4±3.9	3.5±2.0	<0.001
	Total Score of aggression	17.7±10.7	25.5±13.7	12.6±2.3	<0.001
	Total Score	46.2±22.1	63.3±25.8	35.2±8.5	<0.001
F-RAGE	Total Score	9.3±3.1	21.7±12.9	1.2±3.1	<0.001

CMAI: Cohen-Mansfield Agitation Inventory, F-RAGE: French version of the Rating Scale for Aggressive Behaviour in the Elderly; SD: Standard deviation.