Physical performance test results as predictors of delayed ACLR over 5 years for those initially treated with exercise alone (n=42)
| Undergoing delayed ACLR within 5 years post injury | |||
|---|---|---|---|
| OR | 95% CI | p Value | |
| Predictor | |||
| Quadriceps LSI (n=33) | 1.08 | 0.97 to 1.2 | 0.18 |
| Hamstrings LSI (n=27) | 1.11 | 0.98 to 1.26 | 0.099 |
| One-leg hop (n=40) | |||
| Injured leg (cm) | 1.00 | 0.99 to 1.02 | 0.71 |
| LSI (%) | 1.07 | 0.96 to 1.19 | 0.26 |
| Square hop (n=39) | |||
| Injured leg (number of hops) | 0.98 | 0.92 to 1.05 | 0.58 |
| LSI (%) | 0.98 | 0.94 to 1.03 | 0.44 |
| Vertical hop (n=21) | |||
| Injured leg (cm) | 0.85 | 0.72 to 1.00 | 0.048 |
| LSI (%) | 0.97 | 0.90 to 1.05 | 0.44 |
| One-leg balance (n=41) | |||
| Injured leg (s) | 1.02 | 0.99 to 1.04 | 0.24 |
| LSI (%) | 1.01 | 0.99 to 1.02 | 0.35 |
| One-leg rise (n=39) | |||
| Injured leg (cm) | 1.00 | 0.96 to 1.04 | 0.98 |
| LSI (%) | 1.00 | 0.92 to 1.09 | 0.98 |
| Test battery (n=37) (LSI≥90% in all 4 tests)* | 0.66 | 0.16 to 2.65 | 0.56 |
Univariate logistic regression analyses were performed for each of the potential predictors.
*Tests included were one-leg hop, square-hop, one-leg balance and one-leg rise tests.
ACLR, anterior cruciate ligament reconstruction; LSI, leg symmetry index (injured leg divided by non-injured leg×100).