Table 2: Comparison of symptoms between the beginning and end of the 1st and 4th weeks.

VariablesTreatment (mean ± SD)Placebo (mean ± SD) value

Stool frequencyBeginning to 1st week 0.042
Beginning to 4th week
1st to 4th week

Stool consistency*Beginning to 1st week 0.049
Beginning to 4th week
1st to 4th week

Stool consistency: 1: hard, 2: normal, and 3: soft.