Table 1.
Patient characteristics at T0
| Characteristic | Value |
|---|---|
| Male sex, n (%) | 34 (33.7) |
| Mean age, years (SD) | 15.0 (1.85) |
| Mean BMI, kg/m2 (SD) | 20.70 (3.37) |
| Injury left side, n (%) | 52 (51.5) |
| First visit, n (%) | 51 (49.5) |
| First injury, n (%) | 78 (77.2) |
| Injury duration, n (%)a | |
| 0–1 months | 15 (14.9) |
| 1–3 months | 21 (20.8) |
| 4–6 months | 22 (21.8) |
| > 6 months | 43 (42.6) |
| Diagnosis, n (%) | |
| Anterior cruciate ligament rupture | 24 (23.8) |
| • Solitary | 14 (13.9) |
| • combined with anterolateral injury | 3 (3) |
| • combined with medial collateral ligament injury | 2 (2) |
| • combined with medial meniscus tear | 5 (5) |
| Meniscal tear | 7 (6.9) |
| Collateral ligament injury | 2 (2) |
| Patellofemoral pain syndrome | 22 (21.8) |
| Contusion/distorsion | 11 (10.9) |
| Osgood-Schlatter | 4 (4) |
| Chondropathy | 10 (9.9) |
| Other | 21 (20.8) |
| • Baker’s cyst | 1 (1) |
| • Bone bruise | 1 (1) |
| • Lyme arthritis | 1 (1) |
| • Bone bruise | 1 (1) |
| • Patellar tendinopathy | 3 (3) |
| • Laxity anterior cruciate ligament | 1 (1) |
| • Osteochondritis dissecans | 5 (5) |
| • Patella luxation | 1 (1) |
| • Plica syndrome | 2 (2) |
| • Reumatoid arthritis | 1 (1) |
| • Sinding Larson | 1 (1) |
| • Unknown origin | 3 (3) |
a percentages should not be summed up as number are rounded to one decimal place n, number of patients; SD Standard Deviation; cm, centimeter, kg kilogram, m meter, BMI Body Mass Index