Table 1.

Demographic data for patients with Alzheimer’s disease and delusions and those without delusions

	Patients with Alzheimer’s disease
	With delusions (A) (n = 18, 95% CI)	Without delusions (B) (n = 35, 95% CI)
Male/female	4/12	8/27
Age, years	78.2 ± 5.7 (75.2–81.2)	76.3 ± 7.7 (74.5–80.1)
Education, years	9.7 ± 2.7 (8.3–11.1)	9.6 ± 3.2 (8.4–10.8)
Duration of illness, years	1.1 ± 0.8 (0.8–1.8)	1.3 ± 0.9 (0.7–1.4)
MMSE score	21.1 ± 3.6 (18.9–20.7)	20.2 ± 3.2 (19.9–21.3)
NPI
Depression/dysphoria	0.2 ± 0.4 (0.1–0.4)	0.1 ± 0.3 (0.1–0.3)
Apathy	2.6 ± 1.2 (1.9–3.1)	3.1 ± 1.1 (2.8–3.5)

Notes: No significant differences in any of the items were observed between patients with Alzheimer’s disease and delusions and those without delusions. Data are presented as the mean ± standard deviation.

Abbreviations: CI, confidence interval; MMSE, Mini-Mental State Examination; NPI, Neuropsychiatric Inventory.