Table 1.

Demographic data for the Wake Forest non-diabetic nephropathy samples and the FIND replication samples

	No.	Age (y)	% Female	BMI (kg/m2)	Age at dialysis (y)	% African Ancestry
Wake Forest
nondiabetic nephropathy cases	939	54.3 ± 14.5*	43.3*	27.2 ± 7.1*	48.8 ± 15.5	79.6 ± 10.1*
non-nephropathy controls	907	47.2 ± 13.0	50.5	29.5 ± 7.4	NA	76.8 ± 10.9
FIND
nondiabetic nephropathy cases	668	48.1 ± 12.9*	38.6*	26.9 ± 6.9 a	43.9 ± 12.4	83.0 ± 8.0
non-nephropathy controls	804	46.5 ± 11.9	61.1	29.6 ± 7.2b	NA	83.0 ± 8.2

Both Wake Forest and FIND samples comprised African American participants.

Note: Except where indicated, values shown are ??? ± ???.

BMI, body mass index; NA, not applicable; FIND, Family Investigation of Nephropathy in Diabetes

^*denotes p < 0.05 between cases and controls

^an = 655

^bn = 803