Fig. 2From: Clinical nomogram prediction model to assess the risk of prolonged ICU length of stay in patients with diabetic ketoacidosis: a retrospective analysis based on the MIMIC-IV databaseVariable selection by the LASSO binary logistic regression model. A. The process of selecting the most suitable λ (0.071) in the LASSO model by means of 10-fold cross-validation. B. Six variables with nonzero coefficients were selected by deriving the optimal lambdaBack to article page