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Figure 4 | Critical Care

Figure 4

From: Circulating retinol binding protein 4 in critically ill patients before specific treatment: prognostic impact and correlation with organ function, metabolism and inflammation

Figure 4

Association of serum RBP4 with diabetes, obesity and insulin resistance in critically ill patients. (a and b) Serum RBP4 levels do not differ between patients with or without preexisting type 2 diabetes on admittance to the ICU (a) or with preexisting obesity as defined by a body mass index > 30 kg/m2 (b). Boxplots are displayed, where the bold line indicates the median per group, the box represents 50% of the values, and horizontal lines show minimum and maximum values of the calculated nonoutlier values; asterisks and open circles indicate outlier values. (c and d) Serum RBP4 concentrations in ICU patients are correlated with C-peptide concentrations and inversely with the insulin sensitivity as calculated by the homeostasis model assessment (HOMA) index. Spearman rank correlation test, correlation coefficient r and P values are given.

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