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| Sensitivity,% | Specificity,% | Accuracy,% | PPV | NPV | |
| Training set | 93 (38/41) | 89 (31/35) | 91 (69/76) | 90 (38/42) | 91 (31/34) |
| Test set | 90 (18/20) | 88 (15/17) | 89 (33/37) | 90 (18/20) | 88 (15/17) |
NTDs indicates neural tube defects.
PPV indicates positive predictive value.
NPV indicates negative predictive value.
