Table 4.
Pre-versus postoperative clinical and radiological outcomes within each group.
| Group A (n = 7) |
Group B (n = 23) |
|||||
|---|---|---|---|---|---|---|
| Preoperative | Postoperative | p value | Preoperative | Postoperative | p value | |
| TAS | 3.1 ± 1.8 | 3.3 ± 1.8 | 0.36 | 3.1 ± 1.2 | 3.0 ± 1.2 | 0.33 |
| Lysholm score | 51.2 ± 22.2 | 81.8 ± 21.7 | 0.001 | 48.8 ± 19.8 | 84.6 ± 15.2 | 0.001 |
| K-L grade (0/1/2) | 5/2/0 | 5/1/1 | 0.3 | 8/15/0 | 6/5/12 | 0.001 |
| MRD (mm) | 4.8 ± 1.0 | 4.3 ± 1.3 | 0.09 | 3.6 ± 0.8 | 5.3 ± 5.3 | 0.001 |
Group A: patients with decreased meniscal extrusion at 1 year after transtibial fixation of a medial meniscus posterior root tear compared with preoperatively, Group B: patients with increased meniscal extrusion at 1 year after transtibial fixation of a medial meniscus posterior root tear compared with preoperatively, TAS: Tegner Activity Scale, K-L: Kellgren-Lawrence, MRD: medial radial displacement.