Neuropsychological Assessment of Patients with Alzheimer's Disease / Table 1

TABLE 1. Prevalence of symptoms by etiology of dementia upon presentation^a

	SDAT ^b			Vascular			Mixed
	^{(N = 264)}			(N = 18)			(N = 34)
Symptom or difficulty	N		Percent	N		Percent	N		Percent
Memory loss	252	95.5		15	83.3		33	97.1
Disorientation	95	36.0		4	22.2		11	32.4
Personality change	82	31.1		7	38.9		14	41.2
Language difficulty	74	28.0		2	11.1		11	32.4
Poor calculations	62	23.5		5	27.8		7	20.6
Psychotic behavior	45	17.0		2	11.1		6	17.6
Depression	39	14.8		4	22.2		4	11.8
Agnosia	32	12.1		0	0.0		5	14.7
Apraxia	18	6.8		0	0.0		0	0.0
Uncleanliness	17	6.4		1	5.6		4	11.8
Weight loss	16	6.1		0	0.0		1	2.9
Incontinence	14	6.1		4	22.2		1	2.9
Gait difficulty	6	2.3		8	44.4		1	2.9
Transient neurologic symptom	3	1.1		5	27.8		2	5.9
Seizures	3	1.1		0	0.0		0	0.0
Focal weakness	1	0.4		0	0.0		3	8.8

^a Adapted from ref. 61, with permission.

^bSenile dementia of the Alzheimer type.

From Thal et al. 61.