Statistical analysis
Excel (Microsoft Corporation, WA, USA) was used to collect and manage the study data, and SPSS version 24.0 (IBM Corporation, Armonk, NY, USA) was used to perform data analyses. The quantitative data were presented as mean ± standard deviation, whereas the qualitative data were presented as frequencies with percentages. The Independent t-test was used to detect the differences in normally distributed numerical values. In contrast, the Mann–Whitney 