Comparisons of sST2 and NT‐ProBNP concentrations among four groups. Note: (A) Comparisons of sST2 concentrations among four groups; (B) Comparisons of NT‐ProBNP concentrations among four groups; a
P<.05, compared with the control group; b
P<.05, compared with the ventricular function II group; c
P<.05, compared with the ventricular function III group; sST2, serum soluble suppression of tumorigenicity 2; NT‐proBNP, amino‐terminal pro‐brain natriuretic peptide