Table 1.
Comparison of Preoperative Data Between the Study Groups a
| Preoperative Data | TLS-T (n = 229) | TLS-P (n = 70) | TLS-B (n = 222) | P |
|---|---|---|---|---|
| Age at surgery, y | 30.7 ± 9.1 | 30.6 ± 10.1 | 29.2 ± 9.2 | .17 |
| Sex | .56 | |||
| Male | 156 (68.1) | 43 (61.4) | 145 (65.3) | |
| Female | 73 (31.9) | 27 (38.6) | 77 (34.7) | |
| BMI, kg/m2 | 24 ± 3 | 23.3 ± 3.2 | 23.7 ± 3.1 | .25 |
| Dominance | .15 | |||
| Right knee | 125 (54.6) | 30 (42.9) | 124 (55.9) | |
| Left knee | 104 (45.4) | 40 (57.1) | 98 (44.1) | |
| Previous knee surgery | 5 (2.2) | 1 (1.4) | 6 (2.7) | .9 |
| Meniscectomy, n | 5 | 1 | 5 | |
| Patellar fracture, n | 0 | 0 | 1 | |
| Level of sport practice | .3 | |||
| Professional | 10 (4.4) | 2 (2.9) | 14 (6.3) | |
| Competition | 79 (34.5) | 17 (24.3) | 83 (37.4) | |
| Regular | 02 (44.5) | 33 (47.1) | 92 (41.4) | |
| Occasional | 32 (14) | 16 (22.8) | 26 (11.7) | |
| No sport played | 6 (2.6) | 2 (2.9) | 7 (3.2) | |
| Type of sport | .5 | |||
| Pivot contact b | 129 (56.3) | 28 (40) | 121 (54.5) | |
| Pivot noncontact c | 46 (20.1) | 20 (28.6) | 54 (24.3) | |
| Nonpivot d | 35 (15.3) | 12 (17.1) | 32 (14.4) | |
| No sport played | 6 (2.6) | 2 (2.9) | 7 (3.2) | |
| Missing data | 13 (5.7) | 8 (11.4) | 8 (3.6) | |
| Circumstances of the accident | .6 | |||
| Sport | 192 (83.8) | 52 (74.3) | 194 (87.4) | |
| Domestic | 10 (4.4) | 5 (7.1) | 6 (2.7) | |
| Working | 9 (3.9) | 2 (2.9) | 9 (4.1) | |
| Traffic accident | 7 (3.1) | 3 (4.3) | 4 (1.8) | |
| Missing data | 11 (4.8) | 8 (11.4) | 9 (4) | |
| Anterior laxity difference, mm e | 3.4 ± 2 | 3.4 ± 2 | 3.9 ± 2.2 | .046 |
| IKDC objective score | <.0001 | |||
| A | 0 (0) | 0 (0) | 0 (0) | |
| B | 23 (9.6) | 8 (11.4) | 33 (14.9) | |
| C | 128 (55.9) | 41 (58.6) | 161 (72.5) | |
| D | 69 (30.1) | 10 (14.3) | 21 (9.5) | |
| Missing data | 10 (4.4) | 11 (15.7) | 7 (3.1) | |
| IKDC subjective score (0-100) | 55.5 ± 18.5 | 58.6 ± 17.7 | 59.3 ± 17.3 | .14 |
| KOOS-Symptoms (0-100) | 71.4 ± 16.5 | 75.6 ± 15.6 | 71.4 ± 18.3 | .18 |
| KOOS-Pain (0-100) | 73.6 ± 17.4 | 76.4 ± 15.2 | 74.8 ± 17.8 | .92 |
| KOOS-ADL (0-100) | 83.6 ± 16 | 85.6 ± 15.4 | 84.2 ± 18.2 | .5 |
| KOOS-Sport (0-100) | 41 ± 26.4 | 46.1 ± 28.5 | 44 ± 27.8 | .2 |
| KOOS-QoL (0-100) | 28.3 ± 20 | 31.3 ± 23.6 | 30.8 ± 20.8 | .95 |
| Lysholm (0-100) | 68.5 ± 20.7 | 71 ± 16.3 | 71.2 ± 19.5 | .35 |
Data are reported as n (%) or mean ± SD unless otherwise indicated. Bold P values indicate statistically significant differences between groups (P < .05). ADL, activities of daily living; BMI, body mass index; IKDC, International Knee Documentation Committee; KOOS, Knee injury and Osteoarthritis Outcome Score; QoL, quality of life; TLS-B, Tape Locking Screw with bioabsorbable screws; TLS-P, Tape Locking Screw with polyetheretherketone screws; TLS-T, Tape Locking Screw with titanium screws.
Examples: football, handball, rugby, basketball, and judo.
Examples: tennis, skiing, badminton, and volleyball.
Examples: jogging, cycling, and swimming.
Side-to-side difference measured with Genourob knee arthrometer at 200 N of force.