Combination of return-to-activity criteria variables at 6 months after ACLR prediction of return to the participation in the same preinjury activity level at 12 months after ACLR (R2: Nagelkerke R2, OR and 95% CI)
| Model | Variable in the model | 12 months after ACLR (R2) | OR (95% CI) | Model (p value) | Step (p value) |
| Step 1 | Age Sex 6meter timed hop LSI | 0.192 | 0.98 (0.93 to 1.04) 0.76 (0.25 to 2.31) 1.12 (1.04 to 1.22) | 0.015 | 0.015 |
| Step 2 | Age Sex 6-meter timed hop LSI GRS | 0.264 | 0.98 (0.92 to 1.04) 0.94 (0.26 to 2.67) 1.10 (1.01 to 1.19) 1.10 (0.99 to 1.21) | 0.035 | 0.035 |
| Step 3 | Age Sex 6-meter timed hop LSI GRS Triple hop LSI | 0.264 | 0.98 (0.93 to 1.04) 0.83 (0.26 to 2.67) 1.09 (0.99 to 1.20) 1.10 (0.99 to 1.21) 1.01 (0.90 to 1.12) | 0.011 | 0.93 |
| Step 4 | Age Sex 6-meter timed hop LSI GRS Triple hop LSI Single hop LSI | 0.264 | 0.98 (0.93 to 1.04) 0.83 (0.26 to 2.71) 1.09 (0.99 to 1.21) 1.10 (0.99 to 1.21) 1.01 (0.87 to 1.16) 0.99 (0.89 to 1.12) | 0.021 | 098 |
| Step 5 | Age Sex 6-meter timed hop LSI GRS Triple hop LSI Single hop LSI KOS-ADLS | 0.266 | 0.98 (0.93 to 1.04) 0.84 (0.26 to 2.71) 1.09 (0.98 to 1.21) 1.08 (0.97 to 1.21) 1.01 (0.87 to 1.16) 1.02 (0.89 to 1.12) 1.04 (0.85 to 1.28) | 0.035 | 0.711 |
GRS, Global Rating Score; KOS-ADLS, Knee Outcome Survey-Activities of Daily Living Scale; LSI, limb symmetry index.