Table 1.

Irazabal equation coefficients for estimating future eGFR.

Irazabal Equation Coefficients for Estimating Future eGFR
Variable	Description	Value
α	Intercept	21.18
β	Sex (reference is male)	−1.26
γ	Age at HtTKV0 (years)	−0.26
δ	eGFR at HtTKV0 (mL/min per 1.73 m2)	0.90
θb	Subclass 1B	0.58
θc	Subclass 1C	−1.14
θd	Subclass 1D	−1.93
θe	Subclass 1E	−6.26
ξ	Years from HtTKV0	−0.23
λ	Sex, years from HtTKV0	0.19
μ	Age at HtTKV, years from HtTKV0	−0.02
σc	Subclass 1C, years from HtTKV0	−2.63
σd	Subclass 1D, years from HtTKV0	−3.48
σe	Subclass 1E, years from HtTKV0	−4.78

Source: [23,32]. eGFR: estimated glomerular filtration rate, HtTKV: height-adjusted total kidney volume, HtTKV0: baseline height adjusted total kidney volume.