Figure 4From: Validation of a continuous infusion of low dose Iohexol to measure glomerular filtration rate: randomised clinical trial Correlation between plasma and renal clearance during CILDI. Solid line = line of association, dashed lines = error margins of association line. Pearson’s correlation (r) = 0.989, Intercept = −23.3 ± 4.8, slope = 1.25 ± 0.07.Back to article page