2.9. Statistical Analysis
The results were displayed as numbers (percentages) for qualitative variables and as means (standard deviations) for quantitative variables.The data were tested for normality using the nonparametric Kolmogorov–Smirnov test.In order to compare proportions, the chi-square test (or Fisher exact test) was carried out as appropriate, and Student’s A Statistical analyses: using the SPSS statistical software package version 26.0 (SPSS Inc., Chicago, IL, USA).