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Sensitivity and specificity of the selection criteria
| At least one risk factor | |||
|---|---|---|---|
| Heretofore unknown severe developmental disorders | yes | no | total |
| yes | 179 | 7 | 186 |
| no | 1689 | 869 | 2558 |
| total | 1868 | 876 | 2744 |
| Sensitivity: | 0.962 (95% CI: 0.935–0.989) | ||
| Specificity: | 0.339 (95% CI: 0.321–0.358) | ||
| PPV: | 0.096 (95% CI: 0.082–0.109) | ||
| NPV: | 0.992 (95% CI: 0.986–0.997) | ||
