Table 1. Study demographics.

Study demographics		Total subjects	Total mean age (±SD)	Total males	Male mean age (±SD)	Total females	Female mean age (±SD)
Age (year)	(All)	101	68 ± 11	38	70 ± 9	63	67 ± 12
	(35–55)	14	50 ± 5	2	47 ± 12	12	50 ± 4
	(56–65)	24	61 ± 3	8	61 ± 3	16	61 ± 3
	(66–75)	41	71 ± 3	18	71 ± 3	23	72 ± 2
	(76–91)	22	82 ± 5	10	80 ± 5	12	84 ± 5