Table 3 Comparison of PPV of T21/T18/T13/SCA between the SP and IVF groups
NIPT result | Singleton | p value | Twin | p value | ||
|---|---|---|---|---|---|---|
| Â | SP group (PPV, %) | IVF group (PPV, %) | Â | SP group (PPV, %) | IVF group (PPV, %) | Â |
T21 | 89.12 | 66.67 | 0.09 | – | 100.00 | – |
T18 | 51.85 | 0.00 | – | 0.00 | – | – |
T13 | 21.74 | – | – | – | – | – |
T21/T18/T13 | 77.85 | 57.14 | 0.20 | 0.00 | 100.00 | – |
SCA | 40.00 | 50.00 | 0.57 | 100.00 | 0.00 | – |