Table 5.

Comparison of bias and accuracy between the eGFR and rGFR

Equation	Bias (mL/min/1.73 m2)	Bias of 95% CI	30% accuracy	50% accuracy
eGFRscr*	−4.8	−5.8, −3.8	51.2%	77.6%
eGFRcys*	2.4	1.5, 3.3	60.3%	86.4%
eGFRscr_cys ▲	−0.3	−1.2, 0.6	57.4%	83.7%
eGFRa_MDRD*	−6.0	−7.3, −4.8	52.1%	76.4%
eGFRc_MDRD*	−8.9	−10.4, −7.4	47.1%	71.3%
eGFR_MDRD*	−11.5	−13.0, −10.0	49.0%	73.5%

*Compared with rGFR, P = 0.000

▲Compared with rGFR, P = 0.550