Research Article
Frontomaxillary Facial Angle Measurement in Screening for Trisomy 18 at 11 + 0 to 13 + 6 Weeks of Pregnancy: A Double-Centre Study
Table 3
Model 2—as in Model 1 plus the FMF angle.
| Risk | 1 : 300 | 1 : 200 | 1 : 100 | 1 : 50 | DR (%) | 93.3 | 90.0 | 87.0 | 87.3 | FPR (%) | 1.3 | 1.1 | 0.9 | 0.8 | PPV (%) | 96.2 | 96.3 | 99.8 | 99.8 | NPV (%) | 99.2 | 99.2 | 99.6 | 99.6 | LR+ | 425.83 | 428.58 | 476.94 | 476.94 | LR− | 0.17 | 0.16 | 0.07 | 0.07 | value | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
|
|