Statistical analysis
This clinical study was focused on the assessment of the response
to three different therapeutic modalities, EPO, FAC, and
reassurance, with a comparison to placebo. The Statistical Package
for the Social Sciences, version 21 was used for statistical
analysis. Descriptive analysis was done for sociodemographic
data and pain characteristics, and the statistical results were
presented as mean ± SD/percentages for continuous variables
and number/percentage for categorical variables. To investigate
the homogeneity of groups, one-way ANOVA test was used for
the homogeneity of groups according to age and breastfeeding
variables. A significant value less than 0,05 was considered as
statistically significant. Mann–Whitney U test and Chi-square
test were used for investigating the differences between groups
according to categorical variables.