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Evaluation index of traditional screening.
| index | CFTS | quadruple screening | triple screening | double screening |
|---|---|---|---|---|
| TPR(%) | 78.79 | 72.73 | 69.23 | 70.00 |
| TNR(%) | 98.41 | 96.31 | 97.09 | 94.76 |
| FPR(%) | 1.59 | 3.69 | 2.91 | 5.24 |
| PPV(%) | 7.03 | 2.61 | 2.17 | 1.16 |
*TPR, true positive rate, also known as detection rate. TNR, true negative rate. FPR, false positive rate. PPV, positive predictive value.
