At a cut-off of 35 ng/mL, Presage ST2, AFIAS ST2, and ichroma ST2 could predictCV death in the Barcelona ambulatory HF cohort subsets; all three assays showedcomparable AUCs, and there were no statistically significant differences acrossthe results of the three assays (Fig. 2). This evidence concerns the gene IL1RL1 and hydrops fetalis.