Table 3. Comparison of LSI between RTS athletes and healthy athletes.
Hop test | RTS athletes | Healthy athletes | Mean difference ± SD (95% CI) | p-value |
---|---|---|---|---|
Single hop LSI (%) ± SD 5 missing |
97.1 ± 10.2 2 missing |
99.5 ± 8.5 3 missing |
-2.5 ± 12.9 (-4.6 – -0.5)* |
0.01* ES 0.19 |
Triple hop LSI (%) ± SD 4 missing |
96.9 ± 9.2 1 missing |
99.8 ± 7.2 3 missing |
-2.9 ± 11.2 (-4.6 – -1.5)* |
<0.01* ES 0.26 |
Crossover hop LSI (%)± SD 6 missing |
98.6 ± 13.5 0 missing |
100.7 ± 8.9 6 missing |
-1.9 ± 15.8 (-4.3 – 0.6) |
0.14 ES 0.12 |
Vertical jump LSI (%)± SD 17 missing |
97.9 ± 20.7 11 missing |
99.9 ± 18.9 8 missing |
-1.8 ± 28.4 (-6.3 – 2.8) |
0.45 ES 0.06 |
30 seconds side hop LSI (%) ± SD 0 missing |
97.2 ± 17.4 0 missing |
101.8 ± 17.2 0 missing |
-4.5 ± 24.2 (-8.2 – -0.9)* |
0.02* ES 0.19 |
*=significant difference between athletes returning to sport and matched healthy athletes, CI=confidence interval, ES=effect size, LSI=Limb Symmetry Index, RTS=Return to Sport, SD=standard deviation