Pearson/Spearman correlation analysis revealed a negative correlation of plasma CTRP3 concentrations with AF (r = −0.285, p = 0.001), age (r = −0.315, p < 0.001), gender (r = −0.192, p = 0.034), Cr (r = −0.197, p = 0.030), and LAP (r = −0.237, p = 0.010) and a positive correlation of plasma CTRP3 concentrations with BMI (r = 0.190, p = 0.037) (Table 3). Here, C1QTNF3 is linked to atrial fibrillation.