Table 3.
Comparison of Postoperative MRI Outcomes Between Groups at the Final Follow-Up.
| Repair (n = 21) | Menisectomy (n = 22) | P Value | |
|---|---|---|---|
| Lysholm | 86.67 ± 7.88 | 82.55 ± 15.98 | 0.855 |
| IKDC | 73.70 ± 7.63 | 71.37 ± 16.33 | 0.865 |
| MME (mm) | 3.62 ± 1.52 | 5.03 ± 1.48 | 0.008 a |
| MME ≥3 mm, n (%) | 12 (57.14) | 21 (95.45) | |
| WORMS-cartilage morphological score | |||
| MFc | 1 (0;2.25) | 4 (1.5;5) | 0.003 a |
| MFp | 1 (0;1) | 1 (0;1.25) | 0.193 |
| MTa | 0 (0;1) | 0.5 (0;2) | 0.226 |
| MTc | 0 (0;1) | 1.5 (0;4) | 0.009 a |
| MTp | 0 (0;1) | 1 (0;2.25) | 0.038 a |
| WORMS-BML score | |||
| MFc | 0 (0;1) | 1 (0;2) | 0.222 |
| MFp | 0 (0;0) | 0 (0;0) | 0.396 |
| MTa | 0 (0;0) | 0 (0;1.25) | 0.078 |
| MTc | 0 (0;0.5) | 0 (0;2) | 0.372 |
| MTp | 0 (0;0) | 0 (0;0) | 0.646 |
| WORMS-synovitis score | 1 (0;1) | 0 (0;1) | 0.230 |
| Changes in cartilage (progression/no change, n) | |||
| MFc | 8/13 | 15/7 | 0.048 a |
| MFp | 3/18 | 8/14 | 0.097 |
| MTa | 4/17 | 9/13 | 0.119 |
| MTc | 5/16 | 13/9 | 0.019 a |
| MTp | 2/19 | 11/11 | 0.004 a |
| Changes in BML (progression/no change, n) | |||
| MFc | 5/16 | 10/12 | 0.137 |
| MFp | 2/19 | 4/18 | 0.705 |
| MTa | 2/19 | 7/15 | 0.155 |
| MTc | 4/17 | 7/15 | 0.337 |
| MTp | 2/19 | 3/19 | 1.000 |
Continuous variables are expressed as mean ± SD and categorical variables as median (interquartile range) or n (%).
IKDC = International Knee Documentation Committee; MME = medial meniscus extrusion; WORMS = Whole-Organ Magnetic Resonance Imaging Score; MF = medial femoral condyle; c = central; p = posterior; MT = medial tibia; a = anterior; BML = bone marrow lesion.
a
Significant at the level of P < .05.