Table 1.

Interlaboratory differences in CKD diagnosis (defined by eGFR-EPI<60 ml/min per 1.73 m2): percentage of laboratories with eGFR<60 ml/min per 1.73 m2

PatientMean eGFR (SD)Min–Max eGFRLaboratories with eGFR≤60, %Jaffe Mean eGFR (SD)Jaffe Laboratories with eGFR≤60, %Enzymatic Mean eGFR (SD)Enzymatic Laboratories with eGFR≤60, %
1070 (15)45–893353 (9)8082 (3)0
1167 (5)57–75867 (8)2066 (3)0
1266 (4)59–77864 (3)2067 (5)0
1362 (3)56–653362 (4)2061 (2)43
1462 (7)47–701755 (6)10066 (2)0
1560 (4)53–694257 (3)10062 (3)14
1659 (3)53–655858 (3)8060 (3)71
1757 (3)53–668357 (3)10058 (4)86
1857 (3)52–628356 (3)10057 (2)86
1956 (4)51–669256 (2)10056 (5)86
  • eGFR-EPI (ml/min per 1.73 m2) assuming 65-year-old nonblack woman. eGFR-EPI, Chronic Kidney Disease Epidemiology Collaboration eGFR; Min, minimum; Max, maximum.