2.7.6. Statistical methods.
KOA
The patients’ general information in the 3 groups was presented in mean (SD) or number (%). The comparisons of baseline information of patients with KOA were examined in 1-way ANOVA or Pearson chi-squared tests. Their WOMAC function scores and TUG tests were compared in 1-way ANOVA. The post hoc comparisons were examined in a Tukey test. Comparisons of WOMAC scores of patients with KOA between study steps in the control groups were examined in a Bonferroni test. A significant level of difference was identified in a 