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Sensitivity and specificity of the method for the sample set. Confidence interval was determined based on Wilson’s score method.
| Trisomy 21 | Trisomy 18 | Trisomy 13 | |
|---|---|---|---|
| Sensitivity | 99.93% | 100% | 100% |
| 2-sided 95% CI | (85.58–99.99%) | (60.96–100%) | (51.01–100%) |
| Specificity | 99.14% | 98.34% | 99.17% |
| 2-sided 95% CI | (90.29–99.93%) | (91.16–99.7%) | (92.7–99.91%) |
