Statistical analysis
Data were analysed using the SPSS version 27.0 (IBM Institute, Inc. Chicago, IL, USA). In each group, normality was measured with a Shapiro–Wilk test. Pearson's chi-square test or Fisher’s exact test was performed for categorical data. Unpaired t-tests or Mann–Whitney U-test with or without Bonferroni correction were performed for normally and nonnormally distributed data, respectively. For all tests, a 