Statistical Analysis
Statistical analysis was preformed using IBM SPSS Statistics software version 25 (IBM Corporation, Armonk, US). Continuous data with normal distribution was reported as mean and SD, while non-normally distributed data was presented as median and interquartile range. Variance analysis (ANOVA) was used to compare quantitative data among the three treatment groups with subsequent Bonferrnoi pairwise comparisons. Chi-square test and Fisher’s exact test were used to analyze qualitative variables. In Fisher’s exact test, Bonferrnoi correction was used for adjusting significance limit to P<0.017, while significance was defined as P<0.05 for other tests.