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Patellofemoral joint cartilage assessment results at pre-ACLR and at the second operation (Wilcoxon signed-rank test).
| ICRS grade | 0 | 1 | 2 | 3 | Median | P value | |
|---|---|---|---|---|---|---|---|
| Patella | pre-ACLR surgery | 16 | 19 | 2 | 3 | 1 | 0.018 |
| Second operation | 7 | 25 | 5 | 3 | 1 | ||
| Trochlea | pre-ACLR surgery | 24 | 11 | 2 | 3 | 0 | 0.002 |
| Second operation | 14 | 14 | 5 | 7 | 1 |
ICRS, International Cartilage Repair Society
