Table 3.

Bias, precision and accuracy of MDRD and CKD-EPI in different stages of CKD

CKD Stages, (n = 113)	Bias		Precision		Accuracy within 30%
	MDRD	CKD-EPI	MDRD	CKD-EPI	MDRD	CKD-EPI
< 30 (22)	0.7409	0.5136	4.36432	4.16714	86.36	90.91
30–59 (38)	3.1471	2.6763	7.08731	7.17105	84.21	92.11
60–89 (18)	1.6656	1.0444	26.22318	18.04505	77.78	77.78
≥ 90 (35)	13.4449	19.0800	39.52505	29.74621	65.71	82.86