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. 2021 Aug 1;16(4):1052–1066. doi: 10.26603/001c.25758

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