Variable | Total (n=16 131) |
Age at time of injury (years) | 27.1±10.3 24 (1–73) |
Age at time of surgery (years) | 28.9±10.7 26 (16–74) |
Sex (male), n (%) | 8274 (51.3) |
BMI (kg/m2) | 24.6±3.3 24.2 (15.1–45.4) |
Smoking (yes), n (%) | 525 (4.4) |
Time from injury to surgery (months) | 20.1±37.2 7.9 (0–551) |
ACL graft, n (%) | |
Patellar tendon autograft | 768 (4.8) |
Hamstring tendon autograft | 14 835 (93.3) |
Quadriceps tendon autograft | 237 (1.5) |
Allograft | 32 (0.2) |
Direct suture/synthetic/other | 32 (0.2) |
Concomitant injury (yes), n (%) | 9240 (57.3) |
Meniscus injury (yes), (%) | 7086 (43.9) |
Lateral meniscus injury | 4016 (24.9) |
Medial meniscus injury | 4234 (26.2) |
Cartilage injury (yes), (%) | 4356 (27.0) |
Lateral femoral condyle | 886 (20.4) |
Medial femoral condyle | 2932 (67.6) |
Lateral patella | 537 (12.4) |
Medial patella | 871 (20.1) |
Lateral tibial plateau | 1083 (25.0) |
Medial tibial plateau | 826 (19.0) |
Trochlea | 530 (12.2) |
Collateral ligament injury (yes), n (%) | 653 (4.0) |
LCL | 107 (0.7) |
MCL | 562 (3.5) |
PLC injury (yes), n (%) | 19 (0.1) |
Values are given as n (%) and mean±SD or median (minimum-maximum) for categorical and continuous variables, respectively. The sums may vary due to missing values. The variables with missing values, n (%) of the total sample were age at time of injury 366 (2.3); BMI 4490 (27.8); smoking 4305 (26.7); time from injury to surgery 382 (2.4); ACL graft 227 (1.4); cartilage injury to lateral and medial femoral condyle, lateral and medial patella, lateral and medial tibial plateau as well as trochlea 11 795 (73.1).
ACL, anterior cruciate ligament; BMI, body mass index; LCL, lateral collateral ligament; MCL, medical collateral ligament; PLC, posterolateral corner.