Development and Validation of Creatinine-Based Estimates of the Glomerular Filtration Rate Equation from ^99mTc-DTPA Imaging in the Malaysian Setting

Table 4

Bland–Altman analyses between eGFR and ^99mTc-DTPA.

	Mean bias (ml/min)	Standard deviation of bias (ml/min)	Differences	Percent differences	P30%	P50%
eGFRCG	17.19	25.55	10.27 (−0.76–25.9)	34.72 (−2.07–77.14)	35.5	50.5
eGFRMDRD	17.42	24.03	12.04 (3.21–24.5)	30.14 (7.88–61.23)	28.0	45.2
eGFRCKD-EPI	16.64	21.40	12.27 (2.03–27.24)	34.91 (6.53–58.70)	26.9	46.2
eGFRNE	3.58	12.01	5.4 (−3.06–12.94)	14.11 (−6.33–14.11)	64.5	84.9

^99mTc-DTPA, Technetium-99m-diethylenetriaminepentaacetic acid; eGFR, estimated glomerular filtration rate; CG, Cockcroft–Gault; MDRD, Modification of Diet in Renal Disease; CKD-EPI, Chronic Kidney Disease-Epidemiology Collaboration; NE: new equation.