TABLE 4.
Regression Modelsa
| Model | Risk Factorb | Adjustment Factor | ||||||
|---|---|---|---|---|---|---|---|---|
| Age | Height | Weight | Dominant Leg | Sport | Previous ACL Injury | Playing at Adult Level | ||
| Hip flexion at IC, deg | 1.11 (0.95-1.07) | 1.10 (0.80-1.51) | 0.86 (0.76-0.97) | 1.08 (0.99-1.17) | Yes: 0.67 (0.23-1.91) No: 1.00 | Floorball: 0.38 (0.03-5.41) Basketball: 1.00 | 1.55 (0.28-8.60) | Yes: 4.57 (1.07-19.50) No: 1.00 |
| Hip flexion ROM, deg | 0.61 (0.38-0.99) | 1.17 (0.86-1.59) | 0.84 (0.74-0.95) | 1.08 (0.99-1.18) | Yes: 0.59 (0.20-1.71) No: 1.00 | Floorball: 0.38 (0.03-5.61) Basketball: 1.00 | 2.89 (0.45-18.47) | Yes: 4.66 (1.18-18.43) No: 1.00 |
| Ankle (plantar) flexion at IC, deg | 0.67 (0.38-1.18) | 1.09 (0.79-1.49) | 0.87 (0.77-0.98) | 1.06 (0.98-1.16) | Yes: 0.59 (0.20-1.77) No: 1.00 | Floorball: 0.45 (0.03-6.22) Basketball: 1.00 | 1.24 (0.22-6.98) | Yes: 5.12 (1.20-21.86) No: 1.00 |
| Ankle flexion ROM, deg | 0.62 (0.37-1.05) | 1.10 (0.80-1.52) | 0.86 (0.76-0.97) | 1.07 (0.98-1.16) | Yes: 0.45 (0.14-1.51) No: 1.00 | Floorball: 0.43 (0.03-5.96) Basketball: 1.00 | 1.15 (0.20-6.73) | Yes: 4.70 (1.13-19.66) No: 1.00 |
| Peak external knee flexion moment, N·m | 1.21 (1.04-1.40) | 1.18 (0.83-1.68) | 0.83 (0.73-0.94) | 1.05 (0.95-1.15) | Yes: 0.48 (0.16-1.50) No: 1.00 | Floorball: 0.62 (0.04-8.98) Basketball: 1.00 | 1.54 (0.26-9.34) | Yes: 2.80 (1.63-12.42) No: 1.00 |
| Peak external hip flexion moment, N·m | 1.08 (0.98-1.18) | 1.08 (0.77-1.52) | 0.85 (0.74-0.96) | 1.06 (0.97-1.16) | Yes: 0.54 (0.18-1.68) No: 1.00 | Floorball: 0.32 (0.02-5.29) Basketball: 1.00 | 1.60 (0.28-9.10) | Yes: 4.64 (1.11-19.39) No: 1.00 |
aData are presented as hazard ratio (95% CI). ACL, anterior cruciate ligament; IC, initial contact; ROM, range of motion.
bHazard ratio for 10-unit change.