Systematic reviews and meta-analyses are crucial tools in evidence-based medicine, providing comprehensive assessments of research findings. Because of their more limited robustness, the inclusion of
Results of random effect meta-analysis using Freeman-Tukey double arcsine transformation for proportions, regardless of the duration of their symptoms.
Abbreviation: RR, relative risk; CI, confidence intervals. †I2 is interpreted as the proportion of total variation across studies that are due to heterogeneity rather than chance.
All articles includes in metaanálisis are presented in database. It appears, mean value, standard deviation, sample size and weighted mean value, weighted standard deviation for each study
