Predictive value of combined body composition parameters for endoscopic response: AUC Analysis of SMI, MFI, and MA. The analysis yielded an AUC value of 0.743 (95% CI: 0.609-0.877, P<.01), indicating significant predictive capability for endoscopic response. Abbreviations: AUC, area under the curve; SMI, skeletal muscle index; MFI, mesenteric fat index; MA, muscle attenuation.