Fig. 3From: Clinical profile analysis and nomogram for predicting in-hospital mortality among elderly severe community-acquired pneumonia patients with comorbid cardiovascular disease: a retrospective cohort studyPotential risk factors were selected using the LASSO binary logistic regression model. A Fivefold cross-validation was used to select optimal parameter (lambda) in the LASSO model via minimum criteria. B LASSO coefficients profiles of 19 clinical features with non-zero coefficients determined by the lambda. LASSO least absolute shrinkage and selection operatorBack to article page