Does Whole-Blood Neutrophil Gelatinase-Associated Lipocalin Stratify Acute Kidney Injury in Critically Ill Patients?

Figure 5

Distribution of admission whole-blood NGAL (μg/L) values at ICU admission depending on AKI and sepsis. AKI+ vs. AKI- and sepsis+ vs. sepsis- represents the presence or absence of either AKI or sepsis upon admission, respectively. Values show median and percentiles 25-75. represents the statistical intragroup differences. wbNGAL values given in μg/L. ^&Statistical difference between subgroups of nonseptic AKI vs. septic non-AKI patients (). ^&&Statistical difference between subgroups of nonseptic non-AKI vs. septic and AKI patients (). AKI: acute kidney injury.