Table 2: Comparison of perimenstrual and postmenstrual VAS scores by Wilcoxon matched pairs test by ranks.

MenstrualMeanStd.Dv.Mean Diff.SD Diff.% of change value value

Perimenstrual57.931811.7263
Postmenstrual40.113610.729717.81827.806630.75725.75920.0000*

Significant at 5% level of significance ().