Table 3.
Performance of intelligent histories models using narrower case definition of abuse and broader case definition of abuse, assault, or intentional injury
| Sensitivity (%) | Specificity (%) | PPV (%) | Mean days from detection to first abuse diagnosis |
|---|---|---|---|
| Narrow case definition | |||
| 1.8 | 99.9 | 14.4 | 280 |
| 3.5 | 99.8 | 14.3 | 331 |
| 3.9 | 99.75 | 13.0 | 350 |
| 6.5 | 99.5 | 10.9 | 390 |
| 10.3 | 99.0 | 8.9 | 459 |
| 17.5 | 98.0 | 7.6 | 501 |
| 21.1 | 97.5 | 7.4 | 523 |
| 35.5 | 95.0 | 6.3 | 613 |
| 50.8 | 92.5 | 6.0 | 661 |
| 64.2 | 90.0 | 5.7 | 749 |
| 82.6 | 85.0 | 4.9 | 890 |
| 87.3 | 80.0 | 4.0 | 898 |
| Broad case definition | |||
| 0.7 | 99.9 | 18.9 | 382 |
| 1.4 | 99.8 | 18.6 | 364 |
| 1.7 | 99.75 | 17.6 | 398 |
| 2.8 | 99.5 | 15.0 | 421 |
| 5.5 | 99.0 | 14.8 | 435 |
| 9.6 | 98.0 | 13.0 | 501 |
| 11.5 | 97.5 | 12.6 | 509 |
| 20.9 | 95.0 | 11.6 | 564 |
| 29.2 | 92.5 | 10.9 | 585 |
| 37.3 | 90.0 | 10.5 | 620 |
| 51.2 | 85.0 | 9.7 | 696 |
| 64.7 | 80.0 | 9.2 | 775 |
PPV=positive predictive value.