Table 4.
Demographic data of patients with revision ACLR (n = 111), n.s. = not significant, STD standard deviation
| Characteristics | In total (n = 111) | Failed revision ACLR (n = 16) | Stable revision ACLR (n = 95) | p value |
|---|---|---|---|---|
| Female Sex, n (%) | 43 (38.7) | 6 (37.5) | 37 (38.9) | n.s |
| Patient age, mean ± STD | 31.7 ± 11 (15–58) | 31.8 ± 10 (20–52) | 31.7 ± 11.2 (15–58) | |
| Affected knee, left, n (%) | 50 (45) | 5 (31.3) | 45 (47.4) | n.s |
| Body mass index (BMI) > 30 kg/m2, n (%) | 30 (27) | 12 (75) | 18 (18.9) | p < 0.001 |
| Two-stage revision ACLR with bone tunnel filling, n (%) | 49 (44.1) | 5 (31.3) | 44 (46.3) | n.s |
| High-grade anterior knee laxity, n (%) | 41 (36.9) | 11 (68.8) | 30 (31.6) | p = 0.004 |
| Number of previous ACLR procedures, n (%) | ||||
| 1 previous ACLR procedure | 94 (85.5) | 12 (75) | 82 (87.2) | n.s |
| 2 previous ACLR procedures | 13 (11.8) | 4 (25) | 9 (9.6) | |
| 3 previous ACLR procedures | 1 (0.9) | 0 | 1 (1.1) | |
| 4 previous ACLR procedures | 2 (1.8) | 0 | 2 (2.1) | |
| Time between revision ACLR and previous ACLR in months, mean ± SD | 47.5 ± 37.6 (12–181) | 45.3 ± 44.3 (12–178) | 47.9 ± 36.6 (14–181) | n.s |
| Traumatic reinjury after revision ACLR n (%) | 1 (0.9) | 1 (6.3) | 0 | – |