ALB and respiratory failure: Based on independent predictors, including respiratory failure (OR 1.672, 95%CI 1.289–2.169, P<0.001), WBC (OR 1.046, 95%CI 1.031–1.061, P<0.001), creatinine (OR 1.221, 95%CI 1.098–1.257, P<0.001), glucose (OR 1.010, 95%CI 1.007–1.012, P<0.001), lactic acid (OR 1.269, 95%CI 1.167–1.381, P<0.001), and albumin (OR 0.559, 95%CI 0.450–0.695, P<0.001), identified by multivariable logistic regression analysis, we developed the nomogram to predict the probability of long LOS of AHF patients in the ICU.