Fig. 3

Radiomics features and corresponding coefficients retained after dimensionality reduction by LASSO regression analysis (a: lung radiomics; b: mediastinum radiomics; c: lung-and-mediastinum radiomics); The developed radiomics nomogram to predict CVD of COPD patients (d: lung nomogram; e: mediastinum nomogram). NEUT%, neutrophilic granulocyte percentage