Table 4 Positive Predictive Values (PPV) of different tests for Egypt and Germany where prevalence rates are available
Egypt | Germany | |||||
|---|---|---|---|---|---|---|
Prevalence | Positive LR | PPV | Prevalence | Positive LR | PPV | |
Visual detection | ||||||
advanced occlusal | 8.1% | 5.00 | 30.6% | 22.0% | 12.5 | 77.9% |
all occlusal | 12.9% | 3.73 | 35.6% | 45.0% | 5.56 | 82.0% |
Radiographic detection | ||||||
advanced occlusal | 19.0% | 5.96 | 58.3% | 10.0% | 5.87 | 39.5% |
all occlusal | 19.0% | 2.02 | 32.1% | 11.0% | 2.36 | 22.6% |