Table 3.
Risk Factors for Retear at 2 Years After ACLR With TLS Technique a
| Retear (n = 23) | No Retear (n = 498) | P | |
|---|---|---|---|
| Screw type | .99 | ||
| Titanium | 10 (43) | 219 (44) | |
| PEEK | 3 (13) | 67 (13) | |
| Bioabsorbable | 10 (43) | 212 (43) | |
| Age at surgery, y | 24.3 ± 5.9 | 30.3 ± 9.3 | <.0001 |
| Sex | .11 | ||
| Male | 19 (83) | 325 (65) | |
| Female | 4 (17) | 173 (35) | |
| BMI, kg/m2 | 23.8 ± 3.1 | 23.1 ± 2.9 | .23 |
| Level of play | .005 | ||
| Professional | 2 (9) | 24 (5) | |
| Competitive | 16 (70) | 163 (33) | |
| Regular | 4 (17) | 223 (45) | |
| Occasional | 1 (4) | 73 (15) | |
| No sports | 0 (0) | 15 (3) | |
| Type of sport b | .11 | ||
| Pivot contact | 19 (83) | 259 (52) | |
| Pivot noncontact | 3 (13) | 117 (24) | |
| Nonpivot | 1 (4) | 78 (16) | |
| No sport | 0 (0) | 18 (4) | |
| Missing data | 0 (0) | 26 (5) | |
| Laxity difference at GNRB 200 N | 4.2 ± 2.2 | 3.7 ± 2.1 | .28 |
| IKDC objective score | |||
| A | 0 (0) | 1 (0.2) | |
| B | 2 (9) | 61 (12) | |
| C | 16 (70) | 314 (63) | |
| D | 4 (17) | 96 (20) | |
| Missing data | 1 (4) | 26 (5) | |
| Drain tube placement (yes) | 16 (70) | 392 (79) | .30 |
| Cartilage lesion | 3 (13) | 132 (27) | .22 |
| Medial or lateral meniscus injury | 16 (70) | 283 (57) | .28 |
| Graft diameter, mm | 8.2 ± 0.8 | 8 ± 0.7 | .23 |
| Graft length, mm | 55.1 ± 3.4 | 52.8 ± 5.7 | .006 |
| Tibial tunnel diameter, mm | 8.8 ± 1.3 | 8.7 ± 0.7 | .20 |
| Femoral tunnel diameter, mm | 8.1 ± 1.2 | 8 ± 0.8 | .25 |
| Dynamometer (yes) | 4 (17) | 35 (7) | .10 |
| Cyclic loading (yes) | 14 (60) | 322 (65) | ≥.99 |
| Lemaire extra-articular tenodesis (yes) | 2 (9) | 58 (12) | .98 |
a
Data are reported as n (%) or mean ± SD unless otherwise indicated. Bold P values indicate statistically significant differences between retear and no-retear groups (P < .05). ACLR, anterior cruciate ligament reconstruction; BMI, body mass index; GNRB, Genourob knee arthrometer; IKDC, International Knee Documentation Committee; PEEK, polyetheretherketone; TLS, Tape Locking Screw.
b
See Table 1 for examples of sports for each type.