Table 2.
Statistical values of CXCL-8, CEA, and CA19-9 alone and together for the differential diagnosis between patients with colorectal cancer and patients with colorectal adenoma.
| Variable | AUC | Accuracy (%) | Cut-off value | Sensitivity (%) | Specificity (%) | 95% Confidence interval | |
|---|---|---|---|---|---|---|---|
| Lower limit | Upper limit | ||||||
| CXCL-8 | 0.774 | 77.15 | 24.92 | 86.34 | 58.18 | 71.51 | 83.35 |
| CEA | 0.760 | 54.89 | 5 | 34.80 | 96.36 | 70.82 | 81.04 |
| CA19-9 | 0.686 | 42.43 | 37 | 15.86 | 97.27 | 62.67 | 74.49 |
| CXCL-8 + CEA | 0.804 | 73.59 | 74.01 | 72.73 | 75.71 | 85.10 | |
| CXCL-8 + CA19-9 | 0.768 | 73.88 | 77.53 | 66.36 | 71.36 | 82.19 | |
| CEA + CA19-9 | 0.767 | 72.41 | 71.81 | 73.64 | 71.67 | 81.70 | |