Table 6.
Diagnostic efficiencies of other combinations.
| Sensitivity | Specificity | Accuracy | PPV | NPV | |
|---|---|---|---|---|---|
| CECTΔ with CA19-9 (n = 161) | |||||
| CECT | 83.2% | 83.3% | 83.2% | 87.8% | 77.5% |
| CA19-9 | 74.7%N.S. | 62.1%* | 69.6% | 74.0% | 63.1% |
| CECT//CA19-9 | 95.8%*** | 48.5%*** | 76.4% | 72.8% | 88.9% |
| CECT + CA19-9 | 62.1%*** | 97.0%** | 76.4% | 96.7% | 64.0% |
| CEMRΔ with CA19-9 (n = 71) | |||||
| CEMR | 90.0% | 78.0% | 83.1% | 75.0% | 91.4% |
| CA19-9 | 86.7%N.S. | 58.5%N.S. | 70.4% | 60.5% | 85.7% |
| CEMR//CA19-9 | 100.0%N.S. | 39.0%*** | 64.8% | 54.5% | 100.0% |
| CEMR + CA19-9 | 76.7%* | 97.6%** | 88.7% | 95.8% | 85.1% |
| CECTΔ with CEMR (n = 45) | |||||
| CECT | 88.2% | 85.7% | 86.7% | 78.9% | 92.3% |
| CEMR | 100.0%N.S. | 85.7%N.S. | 91.1% | 81.0% | 100.0% |
| CECT//CEMR | 100.0%N.S. | 75.0%N.S. | 84.4% | 70.8% | 100.0% |
| CECT + CEMR | 88.2% | 96.4%N.S. | 93.3% | 93.8% | 93.1% |
Statistical significance compared with testΔ:
***
P <0.001;
**
P <0.01;
*
P <0.05; N.S. = not significant.
When equal, McNemar test is inapplicable.