Table 3.
Univariate Regression to Identify Factors Associated With Psychological Readiness (ACL-RSI Score)a
| Independent Variable | β Coefficient (95% CI) | P |
|---|---|---|
| Age, y | –0.403 (–1.645 to 0.838) | .511 |
| Sex | –0.485 (–16.243 to 15.272) | .950 |
| Body mass index, kg/m2 | 0.671 (–2.778 to 4.121) | .693 |
| Preinjury Tegner score | –0.091 (–7.040 to 6.859) | .979 |
| Preinjury sports participation time, h/wk | –0.769 (–2.190 to 0.652) | .277 |
| Time from injury to reconstruction, days | 0.003 (–0.057 to 0.063) | .911 |
| Meniscal repair | –12.971 (–29.653 to 3.712) | .122 |
| Time from reconstruction to testing, d | –0.158 (–0.599 to 0.283) | .470 |
| Knee extension strength (60 deg/s) LSI, % | –0.118 (–0.824 to 0.587) | .733 |
| Knee flexion strength (60 deg/s) LSI, % | 0.263 (–0.151 to 0.677) | .203 |
| Knee extension strength (180 deg/s) LSI, % | –0.044 (–1.101 to 1.014) | .933 |
| Knee flexion strength (180 deg/s) LSI, % | 0.347 (–0.070 to 0.763) | .099 |
| Leg anterior reach distance LSI, % | –0.256 (–1.970 to 1.458) | .762 |
| Anterior SLH distance LSI, % | 0.491 (–0.282 to 1.264) | .204 |
| Lateral SLH distance LSI, % | 0.579 (0.058 to 1.099) | .031 |
| Medial SLH distance LSI, % | 0.147 (–0.530 to 0.824) | .660 |
| Subjective running ability, % | 0.804 (0.450 to 1.158) | <.001 |
| Tampa Scale for Kinesiophobia | –1.388 (–2.429 to –0.347) | .011 |
aACL-RSI, Anterior Cruciate Ligament–Return to Sport after Injury Scale; LSI, limb symmetry index; SLH, single-leg hop.