Fig. 1From: A back propagation neural network approach to estimate the glomerular filtration rate in an older populationFlowchart of the study. GFR, glomerular filtration rate; CKD-EPI, Chronic Kidney Disease-Epidemiology Collaboration equation; EKFC, European Kidney Function Consortium equation; BIS1, Berlin Initiative Study-1 equation; LMR, Lund-Malmö Revised equation; MDRD, Modification of Diet in Renal Disease equationBack to article page