Table 2. Comparison of changes in mean pain scores by units of research.

Treatments	On admission (cycle 0)	One month later (cycle 1)	Two months later (cycle 2)
Menstrugole (n=39)	7.28±1.60	1.92±0.47	1.22±0.42
Placebo (n=40)	7.57±1.64	7.47±0.55	7.68±0.79
P-valuea)	0.260	<0.001	0.001

Values are presented as mean±standard deviation.

^a)Comparison between experimental and control (Independent t-test).