The Implication of Dropping Race from the MDRD Equation to Estimate GFR in an African American-Only Cohort

Table 6

Comparison of AA patient characteristics of those were reclassified after removal of the race multiplier.

Characteristics	Chronic kidney disease glomerular stage by MDRD formula		value
	Patients who were reclassified	Patients who were not reclassified
Age (years)	64.3 ± 12.7	59.6 ± 15.2	0.003
Female sex (N)	103	95	0.330
Body mass index (kg/m^2)	29.4 ± 6.4	29.9 ± 7.2	0.514
GFR (ml/min/1.73 m^2)	52.5 ± 14.3	75.1 ± 28.0	<0.0001
Past medical history (N)
Hypertension	157	151	0.101
Diabetes	94	94	0.949
Congestive heart failure	34	29	0.467
Stroke	21	23	0.762
Coronary artery disease	46	34	0.115
Dyslipidemia	104	103	0.851
Etiology of chronic kidney disease (N)
Hypertensive nephrosclerosis	101	94	0.392
Diabetic kidney disease	67	57	0.237
Glomerulonephritis	10	15	0.306
Polycystic kidney disease	4	10	0.104
Others	34	45	0.165