ALB and chronic obstructive pulmonary disease: In Model 3, after adjustment for age, gender, diabetes, hypertension, COPD, neutrophils, hemoglobin, albumin, total bilirubin, BUN, creatinine, ACEI/ARB, β-blockers, inotropes or vasopressors, CRRT and ventilation, the multivariate HRs for overall mortality in Q2, Q3, and Q4 groups compared to Q1 (reference) were 0.82 (95% CI, 0.71∼0.96), 0.76 (95% CI, 0.64∼0.91), and 0.62 (95% CI, 0.50∼0.76), respectively (p for trend <0.001) (Table 2).