Table 2. Characteristics of Patients with Sporadic CAA.

	Copy Number	Exon 16	Exon 17
Total Number of Patients	36	55	58
Diagnosis (%)
Definite CAA (autopsy report)	4 (11)	6 (10)	6 (10)
Probable CAA (supportive biopsy pathology)	9 (25)	14 (25)	17 (29)
Probable CAA (supportive neuroimaging data)	23 (64)	35 (64)	35 (61)
Age at Diagnosis (Mean ± SD)	72±9	73±9	73±8
Female (%)	17 (47)	28 (51)	32 (55)
Race/Ethnicity (%)
White	35 (97)	51 (92)	55 (94)
African American	1 (3)	2 (4)	1 (2)
Asian	0 (0)	1 (2)	1 (2)
Hispanic	0 (0)	1 (2)	1 (2)
Family History of intracerebral hemorrhage (%)	2 (5)	2 (4)	3 (5)
Family History of Dementia (%)	5 (14)	2 (4)	2 (3)