Parameter | MRI group (N = 36) | CT group (N = 35) | P Value |
---|---|---|---|
Mechanical axis (MA)a | −2.1° ± 2.1° | −2.1° ± 2.5° | 0.996 |
MA outlier (> 3°)b | 7 (19.4%) | 8 (22.9%) | 0.778 |
Coronal femoral angle (α)a | 94.9° ± 1.1° | 94.7° ± 2.0° | 0.747 |
Coronal tibial angle (β)a | 90.0° ± 2.0° | 90.1° ± 1.5° | 0.909 |
Sagittal femoral angle (γ)a | 5.0° ± 2.9° | 4.3° ± 2.8° | 0.282 |
Sagittal tibial angle (δ)a | 86.2° ± 2.8° | 85.6° ± 3.0° | 0.420 |
Femoral external rotation (ER)a to transepicondylar axis | 1.2° ± 1.1° | 1.1° ± 1.4° | 0.810 |
Femoral ER outlier (> 3°)b | 1 (2.8%) | 3 (8.6%) | 0.357 |