Predictive model for vedolizumab efficacy in moderate-to-severe ulcerative colitis based on computed tomography-derived body compositions and nutritional inflammatory markers

Figure 1 Representative computed tomography scan at the third lumbar vertebra (L3) level, illustrating regions annotated with Slice-O-Matic software.

Figure 2 Nomogram illustrating the combined prediction model. IMAT: Intramuscular adipose tissue; SAT: Subcutaneous adipose tissue; HB: Hemoglobin; CRP: C-reactive protein.

Figure 3 Receiver operating characteristic curves of clinical, radiomics, and combined models in the training and validation cohorts. AUC: Area under the curve; CI: Confidence interval.

Figure 4 Calibration curves for the combined model.

Figure 5 Decision curve analysis for each model.