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

Table 3

Linear regression eGFR and ^99mTc-DTPA measured GFR.

Dependent variable	Independent variable	Coefficient	value
^99mTc-DTPA measured GFR	eGFRCG	0.40
	Constant	17.14
	eGFRMDRD	0.43
	Constant	15.61
	eGFRCKD-EPI	0.47
	Constant	13.48
	eGFRNE	1.22
	Constant	-13.22

^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.