CKS2 and breast cancer: The area under the curve (AUC) was 0.72 (95% CI: 0.62-0.83) for hTR, 0.76 (95% CI: 0.65-0.87) for hTERT and 0.67 (95% CI: 0.55-0.80) for CKS2, thus indicating an average discrimination power between BC and controls for all these tests, when singularly considered (Figure 3).