Table 2.

Frequency of Pathogenic Mutations Detected in 39 Unrelated Patients with Dementia Grouped According to Onset and Family History

Clinical Diagnosis of Index Patient	Family History	n	Pathogenic Mutations
EOD	EOD	16	9
	Negative for EOD	17	1
	Unknown	3	2
Late-onset dementia	Late-onset dementia	3	0