3. Results
pain
The majority of the participants rated their shoes usage as being between all the time and most of the time. We found no main effect of the group in all of the measures (For the VAS of pain score, there were statistical differences in the research group (For the WOMAC, there were statistical differences in the research group for the WOMAC pain score (The within-group differences in gait velocity and cadence are presented in In the additional analyses for all of the study population, there was no statistically significant correlation between the ratio of VAS pain score of the ipsi-lateral and contra-lateral knee at the baseline and the WOMAC of physical function score at the baseline (r = −0.233, 