Fig. 5From: Determining rib fracture age from CT scans with a radiomics-based combined model: a multicenter retrospective studyReceiver operating characteristic (ROC) analysis revealed that for the classification between < 3 and ≥ 3 weeks (a, b), as well as between 3–12 and > 12 weeks (c, d), the performance of the combined model (red line) surpassed that of the radiomics model (blue line) in both the training and internal test setsBack to article page