Table 7.

Comparison of verbal rating scale-5 before and after endoscopic sphincterotomy in Type IIa/b sphincter of Oddi dysfunction patients

Biliary-type SOD	Period	0 points	1 point	2 points	3 points	4 points	P value
Type IIa (n)	Pre-EST	0	0	0	6	0	< 0.001
	Post-EST	6	0	0	0	0
Type IIb (n)	Pre-EST	0	0	0	37	7	< 0.001
	Post-EST	37	1	2	4	0

SOD: Sphincter of Oddi dysfunction; EST: Endoscopic sphincterotomy.