Table 2.
Characteristic desirability from the survey | Characteristic | CEA | CA19-9 | CA125 |
---|---|---|---|---|
1 | Diagnostic sensitivity | 0.34 | 0.30 | 0.31 |
2 | Diagnostic specificity | 0.85 | 0.81 | 0.94 |
3 | Predictive of recurrence | 0.40 | 0.48 | 0.00 |
4 | Predictive of metastasis | 0.70 | 0.61 | 0.46 |
5 | Low cost (£) | 8.00 | 16.00 | 17.00 |
6 | Speed of result (hours) | 24.00 | 24.00 | 24.00 |
7 | Patient acceptability | Good | Good | Good |
8 | Consistency | 0.93 | 0.98 | 0.96 |
CEA carcinoembryonic antigen, CA cancer antigen