Predicting Disease Onset from Mutation Status Using Proband and Relative Data with Applications to Huntington's Disease

Table 4

Descriptive statistics of the first-degree relatives of COHORT proband subjects stratified by relationship.

		Relationship
		Parents	Siblings	Children	Total
Not affected	Number	739	1110	931	2780
	Ave age	70	50	26	42
	Min age	27	0	0	18
	Max age	111	93	62	88
	sd	13	15	14	13
	%	26.6	39.9	33.5
Affected	Number	379	237	13	629
	Ave age	45	42	36	45
	Min age	18	7	23	11
	Max age	82	70	44	82
	sd	11	11	7	12
	%	60.3	37.7	2.1
Total	Number	1118	1347	944	3409