Table 5.
Degree of diagnostic accuracy in CRCs and Non-CRCs.
| CRC n = 103 | Non-CRC n = 89 | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) | Youden index | |
|---|---|---|---|---|---|---|---|---|
| All three positive | 92 | 2 | 97.8 | 89.3 | 97.8 | 88.7 | 92.5 | 0.871 |
| At least two positive | 103 | 10 | 100 | 88.8 | 91.2 | 100 | 94.8 | 0.888 |
| At least one positive | 103 | 19 | 100 | 78.6 | 84.4 | 100 | 90.1 | 0.786 |
| SATB2 +/CK20 + | 92 | 1 | 89.3 | 97.8 | 97.9 | 88.8 | 93.2 | 0.871 |
| SATB2 +/CDX2 + | 95 | 1 | 92.2 | 97.8 | 97.9 | 91.6 | 94.8 | 0.900 |
| CK20 +/CDX2 + | 103 | 9 | 97.1 | 88.7 | 90.9 | 96.3 | 93.2 | 0.858 |
| SATB2 + | 95 | 1 | 92.2 | 96.7 | 96.9 | 91.5 | 94.3 | 0.889 |
| CK20 + | 100 | 13 | 97.1 | 83.1 | 86.9 | 96.1 | 90.6 | 0.802 |
| CDX2 + | 103 | 12 | 100.0 | 85.4 | 60.4 | 88.8 | 93.2 | 0.854 |
CRC, colorectal cancer.