Table 4.
Comparison of arthroscopic scores and MRI findings between groups
| Partial tear (n = 15) |
Complete tear (n = 86) |
p value | |
|---|---|---|---|
| Arthroscopic scores | |||
| Arthroscopic meniscal healing score (point) [range] | 8.3 ± 1.2 [8, 9] | 7.1 ± 1.1 [7, 8] | < 0.001* |
| Width of bridging tissues (point) | 4.0 ± 0.0 | 3.9 ± 0.4 | 0.419 |
| Stability (point) | 3.3 ± 0.9 | 2.3 ± 0.6 | < 0.001* |
| Synovial coverage (point) | 1.0 ± 0.7 | 0.9 ± 0.5 | 0.252 |
| MRI findings | |||
| Pre-operative MME (mm) | 3.0 ± 0.7 [2.5–3.6] | 3.2 ± 0.9 [2.6–3.6] | 0.598 |
| 3 M postoperative MME (mm) [range] | 3.2 ± 0.8 [2.6–3.6] | 3.5 ± 0.7 [3.1–4.0] | 0.651 |
| 1 Y postoperative MME (mm) [range] | 3.4 ± 1.0 [2.6–4.0] | 4.2 ± 1.3 [3.7–4.9] | 0.009* |
| ΔMME preoperative to 3 M (mm) [range] | 0.2 ± 0.5 [0–0.5] | 0.3 ± 0.5 [0.2–0.7] | 0.213 |
| ΔMME preoperative to 1 Y (mm) [range] | 0.4 ± 0.6 [0.3–0.7] | 1.0 ± 1.0 [0.5–1.6] | 0.019* |
| Suspension bridge sign (positive/negative) | 14/1 | 57/29 | 0.036* |
| Bone tunnel (anatomical/ non-anatomical) | 14/1 | 76/10 | 1.000 |
Values are presented as mean ± standard deviation and first-third quartiles
MRI magnetic resonance imaging, MME medial meniscus extrusion, 3 M 3-months, 1 Y 1-year
*p < 0.05