Fig. 3

LASSO and logistic regression models on selecting variables. a LASSO coefficient profiles of 16 clinical features. b Identification of the optimal penalization coefficient λ (0.041) in the LASSO regression model with 10-fold cross-validation and 1 se criterion. c Nomogram for assessing the risk of requiring airway management in patients with DNSA. LASSO, least absolute shrinkage and selection operator; DNSA, deep neck space abscess; NEUT, percentage of neutrophile; PLR, platelet count to lymphocyte count ratio; Gas, gas formation; Spaces, multispace involvement