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| Sensitivity,% | Specificity,% | Accuracy,% | PPV | NPV | |
| Training set | 91 (40/44) | 97 (37/38) | 94 (77/82) | 98 (40/41) | 90 (37/41) |
| Test set | 90 (18/20) | 94 (17/18) | 92 (35/38) | 95 (18/19) | 89 (17/19) |
NTDs indicates neural tube defects.
PPV indicates positive predictive value.
NPV indicates negative predictive value.
