Table 1.
Baseline characteristics
| + ALL | - ALL | P-value | |
|---|---|---|---|
| Number of patients | 49 | 54 | |
| Gender, n (%) | NS | ||
| Female | 20 (41) | 27 (50) | |
| Male | 29 (59) | 27 (50) | |
| Age, median (range) | 28 (19–45) | 26 (19–49) | NS |
| Months from graft failure to ACL revision, mean (range) | 14 (2–41) | 11 (2–46) | NS |
| Staged surgery, n (%) | NS | ||
| One stage | 22 (45) | 24 (44) | |
| Two stages | 27 (55) | 30 (56) | |
| ACL graft choice, n (%) | NS | ||
| Allograft | 10 (20) | 8 (15) | |
| Autograft | 39 (80) | 46 (85) | |
| Hamstring | 3 (6) | 5 (9) | |
| BPTB | 23 (47) | 28 (52) | |
| Quadriceps | 13 (27) | 13 (24) | |
| Meniscal status, n (%) | NS | ||
| No injury | 21 (43) | 28 (52) | |
| Injury without treatment | 4 (8) | 2 (4) | |
| Repair | 8 (16) | 10 (19) | |
| Resection | 14 (29) | 12 (22) | |
| Missing | 2 (4) | 2 (4) | |
| Cartilage status, n (%) | NS | ||
| Grade 0, no injury | 19 (39) | 17 (31) | |
| Grade 1–2 | 21 (43) | 23 (43) | |
| Grade 3–4 | 8 (16) | 8 (15) | |
| Missing | 1 (2) | 6 (11) | |
| Pivot shift, n (%) | NS | ||
| Grade 0 | 0 (0) | 1 (2) | |
| Grade 1 | 18 (37) | 13 (24) | |
| Grade 2 | 23 (47) | 30 (56) | |
| Grade 3 | 5 (10) | 6 (11) | |
| Missing | 3 (6) | 4 (7) |
NS non-significant, n number of patients, BPTB bone patella tendon bone