Research Article
A Novel Graphic-Aided Algorithm (gNIPT) Improves the Accuracy of Noninvasive Prenatal Testing
Table 2
Comparison between gNIPT and nNIPT.
| | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
| | Overall | gNIPT | 98.11 | 99.95 | 88.14 | 99.99 | | nNIPT | 96.23 | 99.82 | 68.00 | 99.99 | | T21 | gNIPT | 97.56 | 99.98 | 93.02 | 99.99 | | nNIPT | 97.56 | 99.88 | 71.43 | 99.99 | | T18 | gNIPT | 100.00 | 99.99 | 88.89 | 100.00 | | nNIPT | 87.50 | 99.97 | 63.64 | 99.99 | | T13 | gNIPT | 100.00 | 99.98 | 57.14 | 100.00 | | nNIPT | 100.00 | 99.97 | 50.00 | 100.00 |
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