Table 1. KBD/control sample pairs used for microarray analysis.

	KBD				Control
Sample pair	n	Age, years (range)	Male	Female	n	Age, years (range)	Male	Female
1	5	47.20(41–55)	2	3	3	45.00(35–63)	1	2
2	5	50.40(43–58)	2	3	3	48.67(39–68)	1	2
3	5	50.20(40–67)	2	3	3	44.67(37–59)	1	2
4	5	46.60(38–58)	3	2	3	41.00(27–54)	0	3
total	20	48.60(38–67)	9	11	12	44.84(27–68)	3	9