Table 2.

Bland–Altman results summarized for agreement of various eGFR formulas with the measured isotope GFR

FormulaSchwartz eGFRCystatin C eGFRBTP eGFR
Bias10.89.61.4
SD %21.221.628.3
95% Limit of agreement−0.80 to 52.4−52.0 to 32.7−54.0 to 56.8