Fig. 2From: Radiomics-based discrimination of coronary chronic total occlusion and subtotal occlusion on coronary computed tomography angiographyFlow chart showing the process for constructing the prediction models. The red box in the first row represents the imaging model; the blue box in the second row represents the radiomics model; the green box in the last column shows the comparison between the combined model and the other two modelsBack to article page