Sensitivity and specificity of plain radiographs for detecting an acetabular bone defect of clinical importance (≥ 50%)
| Clinically important | Cadaveric defect ≥ 50% | Total | |
|---|---|---|---|
| Yes | No | ||
| Yes | 183 | 12 | 195 |
| No | 317 | 488 | 805 |
| Total | 500 | 500 | 1000 |
Sensitivity 36.6%, specificity 97.6%.