Statistical analysis
Power:0.80
The Shapiro–Wilk test and O-O plot were used to assess the normality. While continuous variables were presented as mean ± standard deviation or median (min-max) depending on the distribution of the variable, categorical variables were presented as numbers and %. Depend on the results of the normality test, the Mann–Whitney U test or independent samples t-test was used for the comparison of numeric variables between groups. Chi-squared test or Fisher’s exact test was performed for comparison of the categoric variables. To compare repeated measurements, the Friedman repeated measure test with post-hoc Durbin–Conover test was used. To prevent type I error, Bonferroni correction was used in posthoc comparisons.All statistical analyses were performed using the SPSS 20.0 software package. (IBM Corp. Released 2012. IBM SPSS Statistics for Windows, Version 21.0. Armonk, NY: IBM Corp.). Graphs were performed with Excel. Statistically significance level was determined as p < 0.05.As a result of the Power analysis using the G*Power program, the minimum number sample size (n) determined as 30 for each group for effect size d:0.725 and SD:2.7 with Power:0.80 and α:0.05.