Statistical analysis
Continuous variables were expressed as mean ± standard deviation (SD) or median and range. While categorical variables were expressed as numbers and percentages. Shapiro–Wilk test was used to assessing the normality of the continuous variables while Bartlett’s test was used to assess the equality of variance. The ordinary one-way analysis of variance (ANOVA) test was performed to detect statistical differences among the study groups. posthoc Tukey's multiple comparisons test was performed for multiple comparisons between the study groups. Differences were considered significant at a 