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. 2024 Jul 30;14(8):5845–5860. doi: 10.21037/qims-24-729

Figure 4.

Figure 4

Performance of NegSpA-AI and clinicians. (A,B) ROC curves of NegSpA-AI, independent and AI-assisted radiologists on the internal and external test sets, respectively; (C) ROC curves of NegSpA-AI, independent and AI-assisted clinicians on the prospective test set. Rad1 and Rad2 are junior radiologists. Rad3 and Rad4 are senior radiologists. Rheu1 is a junior rheumatologist. Rheu2 is a senior rheumatologist. NegSpA-AI, an artificial intelligence tool to improve the diagnosis of axSpA in HLA-B27-negative patients; AUC, area under the curve; CI, confidence interval; AI, artificial intelligence; ROC, receiver operating characteristic; HLA-B27, human leukocyte antigen-B27.