Statistical analysis
Data was analyzed using the IBM Statistical Package for the Social Sciences version 22 (IBM SPSS Statistics for Windows, Chicago, IL, USA). Normality of distribution of the variables was checked using the Shapiro-Wilk test and Q-Q plots. The means were used when normality distribution. The median was used for variables that did not show normal distribution. The medians were compared using the Mann-Whitney U test. In the case of categorical data, the comparison was made using the chi-squared test. The p -value < 0.05 was accepted as statistically significant.