Figure 2

ROC curve of Lunx mRNA, cast-off cells, and CEA. The specificities for detecting Lunx mRNA, cast-off cells, and CEA are 95.9%, 100%, and 90.7%, respectively. The sensitivities for detecting Lunx mRNA, cast-off cells, and CEA are 84.9%, 64.2%, and 68.9%, respectively. The area under the ROC curves for detecting Lunx mRNA, cast-off cells, and CEA are 0.922, 0.821, and 0.798, respectively. Blue: Lunx mRNA; Green: cast-off cells; Brown: CEA.