IGFBP7 and myeloid sarcoma: For MS diagnosis, the AUC obtained from the ROC curve was 0.986 (0.966–1.000) for CSF SST, which was higher than that for the CSF IGFBP7 [0.931 (0.871–0.992)] and serum IGFBP7 [0.770 (0.664–0.876)] (Figure 7A and Table 2).