ALB and hydrops fetalis: In Cox proportional hazard analysis, low DBP was an independent predictor of HF readmission after adjustment for age, sex, SBP, hemoglobin, serum albumin, serum creatinine, B-type natriuretic peptide, renin-angiotensin system inhibitors, calcium channel blockers, left ventricular ejection fraction, coronary artery disease, and whether they live alone (hazard ratio, 2.229; 95% confidence interval, 1.021–4.867; p = 0.044).