Table 1 Descriptive characteristics of patients included in the Stability 1 trial (n = 618)
Characteristic | Hamstring tendon autograft ACLR alone N = 312 | Hamstring tendon autograft ACLR + lateral extra-articular tenodesis N = 306 | P value |
|---|---|---|---|
Sex, n males (%) | 151 (48) | 151 (49) | 0.44 |
Age, years (mean ± SD) | 18.8 ± 3.2 | 19.1 ± 3.3 | 0.33 |
BMI, kg/m2 (mean ± SD) | 23.8 ± 3.7 | 24.0 ± 3.8 | 0.68 |
Time from injury to surgery, months (mean ± SD) | 8.1 ± 18.9 | 9.3 ± 16.7 | 0.41 |
Operative limb, n dominant (%) | 161 (52) | 156 (52) | 0.98 |
Mechanism of injury, n non-contact (%) | 176 (74) | 166 (72) | 0.32 |
Sport played at time of injury, n (%) | |||
 Soccer | 100 (32) | 122 (39) | 0.06 |
 Basketball | 54 (18) | 36 (12) | |
 Football or Rugby | 54 (18) | 56 (19) | |
 Downhill skiing | 16 (5) | 13 (4) | |
 Volleyball | 19 (6) | 12 (4) | |
 Other | 66 (21) | 66 (22) | |
Graft source, n (%) | |||
 Semitendinosus and gracilis tendons | 301 (96) | 297 (96) | 0.57 |
 Semitendinosus tendon | 11 (4) | 11 (4) | |
Graft diameter, mm (median, min, max) | 8 (6, 10) | 8 (6, 10) | 0.32 |
Chondral defect, ICRS grade > 3 any compartment, n (%) | 15 (5) | 14 (4) | 0.52 |