a strong trendP =0.053
No significant group × time interaction effects were demonstrated for any of the measures, although a strong trend was observed in the group × time interaction for knee pain ( P =0.053).
No significant group × time interaction effects were demonstrated for any of the measures, although a strong trend was observed in the group × time interaction for knee pain ( P =0.053).
Thus, although the improvement in the NMES group seemed to be more than double the improvement in the exercise-only group, these differences did not reach statistical significance ( P =0.1) ( Figure 4 ).