Statistical analysis

The patient details were anonymized and analyzed with IBM Statistical Package for the Social Sciences (SPSS) for Windows version 24.0, Professional (IBM Corp., Armonk, New York, USA). The normality of the data was analyzed (P.J.) through the Shapiro–Wilk test. Descriptive statistics are used for continuous variables, and frequency and percentage are reported for categorical variables. Comparison between GERDQ scores was made using Friedman Repeated Measures Analysis of Variance by Ranks. The chi-squared test was used for nonparametric nominal data. The nonparametric tests, Mann–Whitney
