Maternal transmission of Alzheimer's disease: Prodromal metabolic phenotype and the search for genes

Table 2 Prevalence of maternally vs paternally inherited late-onset Alzheimer's disease (AD)

Reference	AD cases	No affected parents	FH-	FHm	FHp	Mother:father ratio
Heyman et al.[81]	68	11	84%	10%	6%	1.8:1
Duara et al.[77]	311	69	78%	17%	5%	3.6:1
Edland et al.[78]	118	24	80%	16%	4%	3.8:1
Farrer et al.[70]	251	61	76%	16%	8%	1.9:1
Gomez-Tortosa et al.[80]	2594	817	68%	23%	9%	2.6:1

FH- = No family history of AD; FHm = maternal history of AD; FHp = paternal history of AD.

ISSN: 1479-7364