Evaluating the efficacy of endoscopic sphincterotomy on biliary-type sphincter of Oddi dysfunction: A retrospective clinical trial

Table 2 Verbal rating scale-5 scoring system

0 points	No pain
1 point	Mild pain that is tolerable with normal life and sleep
2 points	Moderate pain that can interfere with proper sleep and requires analgesics
3 points	Severe pain and disturbed sleep that require anesthesia and analgesics
4 points	Severe pain causing severe interference with sleep accompanied by other symptoms or passive posture