No correlation was observed between FGF-23 and right atrial pressure (RAP, r = 0.12, p = 0.15), cardiac index (CI, r = − 0.1, p = 0.21), LVEDd (r = − 0.12, p = 0.13) IVSd (0.10, p = 0.14) or LVPWd (0.12, p = 0.11) in DCM patients (Table 3). Here, FGF23 is linked to familial dilated cardiomyopathy.