Table 2 Prevalence of MRI lesions according to latent subgroups of kneesa
MRI features | Score | Subgroup I: Minimal lesions | Subgroup II: Mild lesions | Subgroup III: Moderate morphological lesions | Subgroup IV: Moderate multiple reactive lesions | Subgroup V: Severe lesions |
|---|---|---|---|---|---|---|
Synovitis-Effusion | 0 | 66.7 | 40.0 | 51.3 | 15.4 | 11.3 |
1 | 30.6 | 53.3 | 39.5 | 35.4 | 35.9 | |
2 | 2.8 | 6.7 | 6.6 | 27.7 | 39.6 | |
3 | 0.0 | 0.0 | 2.6 | 21.5 | 13.2 | |
Hoffa’s Synovitis | 0 | 66.7 | 43.3 | 52.6 | 12.3 | 11.3 |
1 | 30.6 | 53.3 | 43.4 | 72.3 | 47.2 | |
2 | 2.8 | 3.3 | 4.0 | 15.4 | 41.5 | |
Patellofemoral cartilage morphology | 0 | 30.6 | 3.3 | 14.5 | 3.1 | 3.8 |
1 | 11.1 | 13.3 | 10.5 | 3.1 | 1.9 | |
2 | 55.6 | 76.7 | 61.8 | 61.5 | 73.6 | |
3 | 2.8 | 6.7 | 13.2 | 32.3 | 20.8 | |
Tibiofemoral cartilage morphology | 0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
1 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | |
2 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | |
3 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | |
Meniscus extrusion | 0 | 69.4 | 43.3 | 36.8 | 7.7 | 1.9 |
1 | 25.0 | 50.0 | 36.8 | 24.6 | 5.7 | |
2 | 5.6 | 6.7 | 23.7 | 50.8 | 67.9 | |
3 | 0.0 | 0.0 | 2.6 | 16.9 | 24.5 | |
Meniscus morphology | 0 | 16.7 | 13.3 | 10.5 | 1.5 | 1.9 |
1 | 41.7 | 60.0 | 50.0 | 18.5 | 5.7 | |
2 | 41.7 | 26.7 | 38.2 | 69.2 | 71.7 | |
3 | 0.0 | 0.0 | 1.3 | 10.8 | 20.8 | |
Patellofemoral bone marrow lesions | 0 | 47.2 | 26.7 | 35.5 | 15.4 | 45.3 |
1 | 27.8 | 23.3 | 25.0 | 36.9 | 35.9 | |
2 | 8.3 | 30.0 | 26.3 | 36.9 | 15.1 | |
3 | 16.7 | 20.0 | 13.2 | 10.8 | 3.8 | |
Tibiofemoral bone marrow lesion | 0 | 75.0 | 53.3 | 54.0 | 0.0 | 0.0 |
1 | 25.0 | 43.3 | 44.7 | 32.3 | 18.9 | |
2 | 0.0 | 3.3 | 1.3 | 44.6 | 47.2 | |
3 | 0.0 | 0.0 | 0.0 | 23.1 | 34.0 |