Table 2.

Demographic Characteristics of Veterans in the Study Sample, by CKD^* Status

	All (N=263,730)
	N	%	CKD (N=83,338) % with CKD
Overall	263,730	100	31.6
Men	258,272	97.9	31.5
Women	5,458	2.1	34.3
<40 years	4,317	1.6	3.8
40–54 years	52,395	19.9	11.0
55–69 years	103,361	39.2	28.7
70+ years	103,657	39.3	46.1
White	191,539	72.6	35.0
African American	42,529	16.1	26.2
Hispanic	8,351	3.2	21.8
Other	5,090	1.9	30.7
Unknown	16,221	6.2	10.9

^*CKD is defined as eGFR less than 60 ml/min/1.73 m²

CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate.