Table 2.

Proportion of participants in each category of eGFR: NHANES III

ParametereGFR Based on Serum Creatinine, Age, Race, and Gender (ml/min per 1.73 m2)
≥12090 to 11960 to 8930 to 5915 to 29Overall (Row %)
Overall (column %)720 (10.4)2081 (30.0)3232 (46.6)868 (12.5)41 (0.6)6942
eGFR based on cystatin C (ml/min per 1.73 m2)
    ≥120226 (31.4)244 (11.7)57 (1.8)2 (0.2)0 (0.0)539 (7.6)
    90 to 119387 (53.8)1136 (54.6)741 (22.9)21 (2.4)0 (0.0)2285 (32.9)
    60 to 8999 (13.8)661 (31.8)1968 (60.9)232 (26.7)1 (2.4)2961 (42.7)
    30 to 598 (1.1)40 (1.9)460 (14.2)539 (62.1)6 (14.6)1053 (15.2)
    <300 (0.0)0 (0.0)6 (0.2)74 (8.5)34 (82.9)114 (1.6)
eGFR based on cystatin C, age, race, and gender (ml/min per 1.73 m2)
    ≥120271 (37.6)279 (13.4)54 (1.7)2 (0.2)0 (0.0)606 (8.7)
    90 to 119341 (47.4)1057 (50.8)531 (16.4)13 (1.5)0 (0.0)1942 (28.0)
    60 to 8999 (13.8)674 (32.4)1872 (57.9)163 (18.8)1 (2.4)2809 (40.5)
    30 to 599 (1.3)71 (3.4)769 (23.8)616 (71.0)6 (14.6)1471 (21.2)
    <300 (0.0)0 (0.0)6 (0.2)74 (8.5)34 (82.9)114 (1.6)
eGFR based on serum creatinine, cystatin C, age, race, and gender (ml/min per 1.73 m2)
    ≥120549 (76.3)265 (12.7)6 (0.2)0 (0.0)0 (0.0)820 (11.8)
    90 to 119169 (23.5)1517 (72.9)474 (14.7)0 (0.0)0 (0.0)2160 (31.1)
    60 to 892 (0.3)299 (14.4)2474 (76.55)110 (12.7)0 (0.0)2885 (41.6)
    30 to 590 (0.0)0 (0.0)272 (8.42)684 (78.8)5 (12.2)961 (13.8)
    <300 (0.0)0 (0.0)6 (0.2)74 (8.5)36 (87.8)116 (1.7)