Table 4. Intraobserver reliability of tibial slope measurements made by the three reviewers.
| Intraobserver reliability of tibial slope measurements made by a postgraduate year doctor | |||
| ICC | 95% CI | p | |
| MTS on radiographs | 0.914 | 0.883-0.939 | <0.001 |
| MTS on MRI | 0.864 | 0.817-0.903 | <0.001 |
| LTS on MRI | 0.866 | 0.819-0.904 | <0.001 |
| Intraobserver reliability of tibial slope measurements made by an orthopedic resident | |||
| ICC | 95% CI | p | |
| MTS on radiographs | 0.915 | 0.776-0.916 | <0.001 |
| MTS on MRI | 0.712 | 0.399-0.908 | <0.001 |
| LTS on MRI | 0.915 | 0.782-0.976 | <0.001 |
| Intraobserver reliability of tibial slope measurements made by an attending orthopedic surgeon | |||
| ICC | 95% CI | p | |
| MTS on radiographs | 0.855 | 0.623-0.962 | <0.001 |
| MTS on MRI | 0.926 | 0.808-0.979 | <0.001 |
| LTS on MRI | 0.858 | 0.647-0.959 | <0.001 |
| ICC: Intraclass correlation coefficients; CI: Confidence interval; MTS: Medial tibial slope; MRI: Magnetic resonance imaging; LTS: Lateral tibial slope. | |||