Table 1:

Values for the following equation: GFR = a × (serum creatinine/b)c × (0.993)age

Values
The variable a takes on the following values on the basis of race:
    Black
        Women = 166
        Men = 163
    White/other
        Women = 144
        Men = 141
The variable b takes on the following values on the basis of sex:
    Women = 0.7
    Men = 0.9
The variable c takes on the following values on the basis of sex and creatinine measurement:
    Women
        Serum creatinine, ≤0.7 mg/dL = −0.329
        Serum creatinine, >0.7 mg/dL = −1.209
    Men
        Serum creatinine, ≤0.9 mg/dL = −0.411
        Serum creatinine, >0.9 mg/dL = −1.209