Characteristics of the ACL reconstructed patients (n=100)
| Sex, men/women (% men) | 46/54 (46.0) |
| Age, mean±SD | 24.3±7.3 |
| Preinjury participation in level I sports, n (%) | 83 (83.0) |
| Handball* | 30 (30.0) |
| Football* | 53 (53.0) |
| Basketball* | 6 (6.0) |
| Floorball* | 11 (11.0) |
| Months from injury to surgery, median (minimum–maximum) | 4.8 (1.6–25.4) |
| ACL graft, n (%) | |
| BPTB | 33 (33.0) |
| Hamstring | 67 (67.0) |
| Baseline concomitant injuries, n (%) | |
| Medial meniscus injury | 26 (26.0) |
| Lateral meniscus injury | 20 (20.0) |
| Medial cartilage injury | 3 (3.0) |
| Lateral cartilage injury | 9 (9.0) |
| MCL injury grade I–II | 30 (30.0) |
| LCL injury grade I–II | 1 (1.0) |
| Popliteus injury | 2 (2.0) |
| Baseline knee function, mean±SD | |
| Quadriceps strength, LSI | 89.2±10.2 |
| Single hop for distance, LSI | 91.2±10.4 |
| Triple crossover hop, LSI | 92.9±9.3 |
| Triple hop, LSI | 91.3±8.3 |
| 6 m timed hop, LSI | 94.6±8.3 |
| KOS-ADLS | 82.4±9.6 |
| Global rating scale | 79.3±12.8 |
Baseline: At enrolment in the study and prior to ACL reconstruction, mean 2.1 (SD 0.6) months from injury.
Concomitant injuries were diagnosed by MRI.
*Some participated in multiple level I sports.
BPTB, bone-patellar tendon-bone; KOS-ADLS, Knee Outcome Survey—Activities of Daily Living Scale; LCL, lateral collateral ligament; LSI, limb symmetry index; MCL, medial collateral ligament.