. Author manuscript; available in PMC: 2017 May 12.

Published in final edited form as: Am J Nephrol. 2016 May 12;43(5):325–333. doi: 10.1159/000445757

Table 1.

Prevalence of eGFR Category using Four Different Estimating Equations

eGFR Category, mL/min/1.73 m²	GFR Estimating Equation, n (%)
eGFR Category, mL/min/1.73 m²	CKD-EPI_{cr, cysc}	BIS2	CKD-EPI_cr	CKD-EPI_cysc
≥75	1205 (40.2)	517 (17.3)	1320 (44.1)	1078 (36.0)
60 to 74	939 (31.4)	1217 (40.7)	978 (32.7)	826 (27.6)
45 to 59	602 (20.1)	943 (31.5)	522 (17.4)	691 (23.1)
<45	248 (8.3)	317 (10.6)	174 (5.8)	399 (13.3)

Abbreviations: eGFR, estimated glomerular filtration rate; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; cr, creatinine; cysc, cystatin c; BIS, Berlin Initiative Study;