NPPB and coronary artery disorder: Compared to patients without CAD, the levels of brain natriuretic peptide (BNP; 1922.8 ± 1894.5 vs 1072.2 ± 1010.8, P = 0.02) and the left ventricular end‐diastolic diameter were significantly higher in patients with CAD (42.4 ± 3.6 vs 44.7 ± 4.7, P = 0.01).