Figure 1From: The plasma level and biomarker value of neutrophil gelatinase-associated lipocalin in critically ill patients with acute kidney injury are not affected by continuous venovenous hemofiltration and anticoagulation appliedConcentration of NGAL during CVVH over time (median and interquartile range) at inlet (before addition of replacement fluid), outlet, and ultrafiltrate. Symbols: ● no anticoagulation, ■ heparin, ▲citrate. Levels of NGAL at inlet and outlet were similar across groups and did not change over time. Levels of NGAL in the ultrafiltrate were lower in the citrate group (P = 0.03) and decreased over time in all groups (P < 0.001).Back to article page