The utility of estimation of glomerular filtration rate by serum cystatin C as a predictor of diabetic kidney disease in both type I and type II diabetic patients: a single center study

The Egyptian Journal of Internal Medicine

Table 7 Mean of cystatin C in the normoalbuminuria group with e-GFR > 90

Group	Serum cystatin			MWU	P
Group	Mean	± SD	Range	MWU	P
Normoalbuminuria (A1) with GFR ≥ 90	0.92	0.14	0.64–0.99