Management of patients with sphincter of Oddi dysfunction based on a new classification

Table 1 Clinical features of sphincter of Oddi dysfunction patients

Clinical features	n (%)
Abdominal pain
Retrosternal pain	235 (77.05)
Epigastric pain	70 (22.95)
Radiating pain	45 (14.75)
Timing of onset
After high-fat meals	241 (79.02)
After ordinary meals	21 (6.89)
Uncertain	43 (14.10)
Jaundice
With	21 (6.89)
Without	284 (93.11)
Liver enzyme levels
Abnormal	58 (19.02)
Normal	247 (80.98)
Serum amylase
Abnormal	63 (20.66)
Normal	242 (79.34)
Cholangiectasis
≥ 10 mm	289 (94.75)
< 10 mm	16 (5.25)
Pancreatic duct dilation	76 (24.92)