Evaluation of bowel habits in benign anorectal diseases

Bowel habits vary widely among populations. It is very difficult to define the abnormal bowel habit, which is the root cause of majority of the benign anorectal disease. According to Rome II and III criteria for the diagnosis of constipation, there should be two or more of the following symptoms for 12 weeks, like straining at defecation with passage of hard or lumpy stool for at least a quarter of occasions, sensation of incomplete evacuation for a quarter of occasions and three or less bowel movements in a week.

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