Statistical analysis
The sample size was assessed using G*Power software version 3.1.0 (Institut fur Experimentelle Psychologie, Heinrich Heine Universitat, Dusseldorf, Germany). A total sample size of 70 patients was determined to have a power of 95% to notice a medium to large effect size of 0.88 in the measured outcomes. The obtained data were loaded into a computer and analyzed with the IBM SPSS software package version 25.0 (Armonk, NY: IBM Corp.). The Kolmogorov–Smirnov and Shapiro–Wilk tests were utilized to identify the normality of the data. Variables not having a normal distribution are presented as the median (range), and they were analyzed using the Wilcoxon signed ranks test to compare before and after the intervention, and the Mann–Whitney test was used to compare between the two groups. Continuous normal distributed variables were presented as Mean ± Standard Deviation (SD) and were assessed using paired 