Bone scintigraphy and magnetic resonance imaging for detection of osteonecrosis of the knee
| True positive (knees) | False negative (knees) | False positive (knees) | True negative (knees) | Sensitivity (%) | Specificity (%) | Accuracy (%) | |
|---|---|---|---|---|---|---|---|
| Femoral condyles (ONFC) | 54 | 32 | 37 | 91 | 63 | 71 | 68 |
| Distal femoral metaphysis (ONFM) | 1 | 31 | 4 | 178 | 3 | 98 | 84 |
| Tibial plateau (ONTP) | 2 | 0 | 41 | 171 | 100 | 81 | 81 |
| Proximal tibial metaphysis (ONTM) | 0 | 21 | 2 | 191 | 0 | 99 | 89 |
| Patella (ONP) | 0 | 6 | 5 | 203 | 0 | 98 | 95 |