Table 2.
Postoperative outcomes of two patient groups at second-look arthroscopy.
| Group A (n = 14) | Group B (n = 12) | P value | |
|---|---|---|---|
| Graft morphology | |||
| Tension | |||
| AL (taut/lax/unclassified) | 13/1/0 | 11/1/0 | 1.000 |
| PM (taut/lax/unclassified) | 11/3/0 | 9/1/2 | 0.635 |
| Tear | |||
| AL | 0 (0%) | 0 (0%) | 1.000 |
| PM | 2 (14%) | 3 (25%) | 0.216 |
| Synovial coverage | |||
| AL (good/fair/poor) | 13/1/0 | 10/2/0 | 0.580 |
| PM (good/fair/poor) | 8/5/1 | 5/1/6 | 0.033∗ |
| Chondral damage | |||
| Patella (0/I/II/III/IV/N.A./Tx.) | 13/1/0/0/0/0/0 | 6/4/2/0/0/0/0 | 0.007∗ |
| TG (0/I/II/III/IV/N.A./Tx.) | 12/2/0/0/0/0/0 | 6/4/1/0/0/0/1a | 0.101 |
| LFC (0/I/II/III/IV/N.A./Tx.) | 10/1/2/1/0/0/0 | 4/6/2/0/0/0/0 | 0.258 |
| LTP (0/I/II/III/IV/N.A./Tx.) | 8/4/1/1/0/0/0 | 0/7/3/1/1/0/0 | 0.010∗ |
| MFC (0/I/II/III/IV/N.A./Tx.) | 9/2/1/1/1/0/1a | 0/3/5/1/1/0/1b | 0.002∗ |
| MTP (0/I/II/III/IV/N.A./Tx.) | 9/4/1/0/0/1/0 | 0/5/7/0/0/0/0 | < 0.001∗ |
| Subjective posterior instability | 0 (0%) | 0 (0%) | 1.000 |
| Knee swelling | 0 (0%) | 0 (0%) | 1.000 |
| Loss of extension >5°/flexion >10° | 0 (0%)/0 (0%) | 0 (0%)/0 (0%) | 1.000/1.000 |
| Postoperative grade (I/II/III) | 11/3/0 | 12/2/0 | 1.000 |
| Postoperative PTT (mm) | 4.0 ± 2.0 (1.4–8.4) | 2.9 ± 2.3 (−1.0–5.6) | 0.471 |
TG, trochlea groove; MFC, medial femoral condyle; LFC, lateral femoral condyle; MTP, medial tibial plateau; LTP, lateral tibial plateau; N.A., not available; Tx., simultaneously treated for chondral damage; PTT, posterior tibial translation.
∗Statistically significant difference (p < 0.05).
a
Simultaneously treated with osteochondral autograft transplantation for concomitant severe chondral damage.