Table 3.
The ability of PMI to discriminate between normal and osteopenic-osteoporotic skeletal statuses.
| PMI | Sensitivity | Specificity | Positive Predictive Value | Negative Predictive Value | Accuracy | |
|---|---|---|---|---|---|---|
| ≤0.29 | Femoral neck | 20.5% | 91.0% | 70% | 53% | 55.2% |
| Lumbar region | 16.6% | 88.0% | 70% | 39% | 58.2% | |
| ≤0.32 | Femoral neck | 29.4% | 78.7% | 59% | 52% | 53.7% |
| Lumbar region | 26.1% | 76.0% | 65% | 38% | 44.7% | |
| ≤0.33 | Femoral neck | 29.4% | 66.6% | 48% | 48% | 47.7% |
| Lumbar region | 28.5% | 64.0% | 57% | 35% | 41.7% | |
| ≤0.46 | Femoral neck | 91.1% | 9.0% | 51% | 50% | 50.7% |
| Lumbar region | 95.2% | 16.0% | 65% | 67% | 65.6% | |
PMI=Panoramic Mandibular Index