IL18 and myeloid sarcoma: Receiver operating characteristic (ROC) curve analysis demonstrated that IL18 had excellent discriminatory power for the diagnosis of MS (<i>p</i> < 0.001), with an area under the curve (AUC) of 0.96 ± 0.017, followed by IGF-1 (<i>p</i> < 0.001), which showed strong diagnostic performance (AUC = 0.873 ± 0.037).