Overall sensitivity and specificity among children without/with caries experience at baseline
| Follow-up | |||
|---|---|---|---|
| Incidence density* (gold standard) | |||
| Risk status at baseline | High rate ≥1.2 | Low or medium rate <1.2 | Total |
| Among all children | |||
| High, n (column proportion) | 6997 (0.47)† | 8051 (0.14) | 15 048 |
| Low/medium n (column proportion) | 7831 (0.53) | 48 551 (0.86)‡ | 56 382 |
| Total, n | 14 828 | 56 602 | 71 430 |
| Sensitivity+specificity=1.33 | |||
| Among children without caries experience at baseline | |||
| High, n (column proportion) | 186 (0.07)† | 609 (0.02) | 795 |
| Low/medium, n (column proportion) | 2650 (0.93) | 29 898 (0.98)‡ | 32 548 |
| Total, n | 2836 | 30 507 | 33 343 |
| Sensitivity+specificity=1.05 | |||
| Among children with caries experience at baseline | |||
| High, n (column proportion) | 6811 (0.57)† | 7442 (0.29) | 14 253 |
| Low/medium, n (column proportion) | 5181 (0.43) | 18 653 (0.71)‡ | 23 834 |
| Total, n | 11 992 | 26 095 | 38 087 |
| Sensitivity+specificity=1.28 | |||
*Incidence density: newly affected surfaces per 100 surface-years at risk.
†Sensitivity.
‡Specificity.