Table 2. Frequency of patients with neuropsychiatric manifestation and mean Neuropsychiatric Inventory score and distress reported by caregivers for each symptom.

	n (%)	Mean NPI (SD)	Mean distress (SD)
Apathy	71 (53)	3.40 (3.89)	1.61 (1.63)
Anxiety	65 (49)	2.76 (3.44)	1.40 (1.55)
Dysphoria/depression	57 (42)	2.12 (3.26)	1.21 (1.54)
Delusions	55 (42)	2.10 (3.26)	1.19 (1.56)
Aberrant motor behavior	51 (38)	2.87 (4.40)	1.13 (1.60)
Irritability	49 (36)	2.16 (3.38)	1.18 (1.66)
Nighttime behavior disturbances	49 (36)	2.64 (4.08)	1.12 (1.62)
Agitation/aggression	40 (30)	1.96 (3.64)	0.91 (1.53)
Appetite and eating change	39 (29)	2.20 (3.90)	0.93 (1.52)
Disinhibition	38 (28)	2.10 (3.79)	0.90 (1.49)
Hallucinations	37 (27)	1.37 (2.94)	0.79 (1.41)
Euphoria/elation	6 (5)	0.13 (0.88)	0.04 (0.36)

NPI: Neuropsychiatric Inventory; SD: standard deviation.