NPPA and atrial fibrillation: Spearman partial correlation coefficients with AF revealed highest estimates for MR-proANP (r = 0.21), Nt-proBNP (r = 0.20), fibrinogen (r = 0.13), and MR-proADM (r = 0.12) after accounting for age and sex (Table S2 in File S1).