Table 1.

Age distribution of patients and their mutation status in relation to family history

	Overall			Family History			No family history
Age	Number	Mutation	%	Number	Mutation	%	Number	Mutation	%
< 36	40	17	42.5%	28	16	57.2%	12	1	8.3%
36–60	142	37	26%	64	29	45.3%	78	8	10.2%
> 60	47	3	6.3%	10	1	10%	37	2	5.4%
overall	229	57	24.9%	102	46	45%	127	11	8.7%