| AFP | CEA | CA125 | CA19-9 | Combination |
---|---|---|---|---|---|
Normal boundary value | ≤7 ng/mL | ≤6.5 ng/mL | ≤35 U/mL | ≤27 U/mL | - |
AUC (95% CI) | 0.519 | 0.583 | 0.553 | 0.585 | 0.667 |
(0.459~ | (0.523~ | (0.493~ | (0.525~ | (0.609~0.726) | |
0.579) | 0.643) | 0.614) | 0.645) | Â | |
Sensitivity (%) | 4.7 | 17.4 | 14.1 | 20.8 | 40.3 |
Specificity (%) | 99.1 | 99.1 | 96.6 | 96.2 | 93.2 |
Accuracy (%) | 62.5 | 67.4 | 64.6 | 66.9 | 72.7 |
Positive/Negative predictive value (%) | 77.8/62.1 | 92.9/65.4 | 72.4/63.9 | 77.5/65.7 | 78.9/71.1 |
Positive/negative likelihood ratio | 5.52/0.96 | 20.5/0.83 | 4.14/0.89 | 5.43/0.82 | 5.91/0.64 |