Table 4: Changes in isometric Muscle Strength Outcomes.
|
|
Change PRE-END |
|
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|
Control |
NMR |
Between Group Difference |
p-value |
Effect Size†(Cohen’s d) |
|
|
Normalized knee flexor strength (Nm/kg) |
0.10 ± 0.06 |
0.12 ± 0.06 |
0.02 ± 0.09 |
0.82 |
0.11 |
|
Normalized knee extensor strength (Nm/kg) |
-0.04 ± 0.10 |
0.26 ± 0.10 |
0.30 ± 0.15 |
0.06 |
0.35 |
|
Normalized hip flexor strength (Nm/kg) |
-0.03 ± 0.06 |
0.08 ± 0.06 |
0.11 ± 0.09 |
0.22 |
0.18 |
|
Normalized hip extensor strength (Nm/kg) |
0.05 ± 0.08 |
0.14 ± 0.08 |
0.10 ± 0.12 |
0.43 |
0.43 |
|
Normalized hip abductor strength (Nm/kg) |
-0.01 ± 0.07 |
0.17 ± 0.07 |
0.17 ± 0.10 |
0.09 |
0.39 |
Data are mean change ± standard deviation.
* indicates significant differences in change in outcome preoperatively to postoperatively (P<0.05) based on regression analysis.
†Effect size calculated from means and standard deviation in each group at the END time point.