Table 1.

Demographic and Clinical Characteristics of Middle-Aged and Older Patients with 4 Different Psychotic Disorders

Characteristic	Diagnostic Groups								P*	Post hoc
	Dementia With Psychosis (n=56)		Mood Disorder With Psychosis (n=49)		Schizophrenia (n=65)		PTSD (n=33)
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Age, yr	77.2	9.8	67.1	13.2	58.3	10.6	59.7	10.5	<0.001	D> M> S, P
Education level, yr	13.7	2.8	14.0	3.1	12.4	2.8	13.7	2.5	<0.05	D, P, M >S
Duration of antipsychotic treatment, mo	44.4	36.1	129.4	133.1	253.3	162.9	173.4	160.6	<0.001	S>P, M>D
Number of metabolic syndrome conditions	2.8	1.3	3.0	1.4	2.9	1.5	3.3	1.4	0.459	—
BMI	26.1	5.0	29.5	7.8	29.8	6.8	30.4	4.3	<0.001	D<M, S, P
Diastolic blood pressure, mm Hg	69.4	9.7	69.3	8.6	72.8	9.1	75.1	9.7	0.015	D, M <P
Systolic blood pressure, mm Hg	126.2	18.6	126.4	15.8	123.4	19.7	132.7	15.2	0.089	—
Waist circumference, in	36.9	5.2	40.3	7.2	41.0	6.4	39.9	7.0	0.002	D<M, S, P
Fasting glucose level, mg/dL	100.0	23.1	109.9	44.6	119.7	78.5	114.2	41.3	0.088	—
HDL cholesterol level, mg/dL	51.9	18.7	44.8	12.6	44.3	18.5	41.4	10.3	0.012	D>M, S, P
Triglyceride level, mg/dL	123.5	115.1	140.5	87.6	149.6	120.6	127.3	61.1	0.558	—
Categorical variables	n	%	n	%	n	%	n	%
Sex
Male	31	55	30	61	48	74	29	88	<0.01	D<S, P; M<P
Female	25	45	19	39	17	26	4	12		(% male)
Ethnicity
White	47	84	40	82	42	64	21	64	<0.05	D, M > S, P
Nonwhite	9	16	9	18	23	37	12	36		(% White)
On antidiabetic drugs	6	11	11	22	16	25	7	21	0.351	—
On statins	20	34	22	45	15	23	15	45	0.058	—
On antihypertensive drugs	30	54	29	59	28	43	22	67	0.234	—
Currently on antipsychotics†	42	75	46	94	55	89	30	91	<0.01	M, P>D

^*Welch ANOVA for continues variables and χ² for categorical variables.

^†The percentage of patients taking atypical antipsychotics or rate of olanzapine use was not significantly different between the diagnostic groups.

D indicates dementia with psychosis; M, mood disorder with psychosis; P, PTSD; S, schizophrenia.