ROC analysis of CMML in comparison with reactive monocytosis and MDS. Panel A displays ROC for CMML when compared with reactive monocytosis yielding an AUC of 0.9592 (P < .001). Cut-off value for CM differentiating CMML from reactive monocytosis at 94.15% yielded sensitivity of 100% and specificity of 86.21%. Similarly, panel B displays ROC for CMML when compared with MDS. It yielded an AUC of 0.8779 (P < .001). Furthermore, the cut-off value for CM of 94.09%, yielded sensitivity of 71.76% and specificity of 86.21%.