Table 1.

Study population demographics.

	Population (n)[# of samples]	Female/Male ratio	Mean Age of Onset (Years+/- SD)
Total Patients	293 [647]	1.96	47.4 (+/- 13.6)
African American	11 [35]	5	42.5 (+/- 13.5)
Ashkenazi Jewish	77 [269]	1.85	50.9 (+/- 12.6)
Caucasian	148 [259]	2.02	48.0 (+/- 14.0)
East Asian	6 [13]	1	39.5 (+/- 7.6)
Hispanic	28 [39]	2.5	44.3 (+/- 11.8)
South Asians	23 [32]	1.3	39.7 (+/- 14.1)