NPPB and atrial fibrillation: Other variables included in the analysis—NYHA classification (p = 0.162), atrial fibrillation (p = 0.587), LVEF (p = 0.326), sPAP (p = 0.967), TAPSE (p = 0.193), lymphocyte (p = 0.844), hemoglobin (p = 0.715), hematocrit (p = 0.405), direct bilirubin (p = 0.232), total bilirubin (p = 0.306), LDL-C (p = 0.579), triglyceride (p = 0.458), BNP (p = 0.312), and CONUT score (p = 0.511)—were found to be non-significant (Table 5).