ALB and acute respiratory distress syndrome: We also compared the Kaplan–Meier survival curve of ALI and its components, we found that ALI (Figs. 1A, 1D), ALB (Figs. 5A, 5D), and NLR (Figs. 5B, 5E) can distinguish patients with poor prognosis, while BMI (Figs. 5C, 5F) cannot.