Fig. 6

The association between variables and hospital mortality. Albumin (A), Potassium (B), NHR (C), Heart rate (D), BUN (E), NLR (F): the restricted cubic splines with four knots. The horizontal dashed line represents the reference OR of 1.0. The model was multivariate-adjusted for Age, AST, whether or not invasive ventilation treatment, whether or not renal replacement treatment, Albumin, whether or not have cerebrovascular disease, MHR, NLR, NHR, Potassium. OR odds ratio; 95% CI 95% confidence interval