Fig. 1
From: Subphenotypes in patients with acute respiratory distress syndrome treated with high-flow oxygen
Heat map representing the strength of each variable to influence cluster belonging. Values range from −1 to 1. A value close to zero has little or no impact on cluster attribution, whereas a value close to 1 or −1 indicates a high impact on cluster attribution. The sign of the value indicates how the biomarker variation influences cluster attribution (when positive, an increase in the value is correlated with cluster attribution). IL: interleukin; sST2: soluble suppression of tumorigenicity-2; SP-D: surfactant protein D; RAGE: receptor for advanced glycation end products; ANG-2: angiopoietin; HCO3: bicarbonate