Table 1.

The comparison of the average of Age, Menarrche age, Interval of mensturation period and Duration of bleeding menses in two groups: Vitamin B1 group and control group

Group	Vitamin B1 group	Placebo group	P
	Average of score + standard deviation	Average of score + standard deviation
Age	21.22 ± 0.8	21.40 ± 0.54	NS
Menarrche age	12.63 ± 0.46	12.08 ± 0.19	NS
Interval of mensturation period	28.39 ± 0.77	29.08 ± 0.33	NS
duration of bleeding menses	5.6 ± 0.21	5.41 ± 0.19	NS