Table 2: Treatment results.

Number of strictures treated25
Mean stricture length (mm)15.2 (SD = 8.7, range = 3.5–33)
Mean stricture diameter before RFA (mm)1.7 (SD = 0.9, range = 0.5–3.4)
Mean stricture diameter after RFA (mm)5.2 (SD = 2, range = 2.6–9)
Type of stent placed
 Uncovered SEMS*1
 Partially or fully covered
 SEMS
13
 Plastic stents6
Complications
 Pain5
 Mild after ERCP
 pancreatitis
1
 Cholecystitis1

*SEMS: self-expanding metal stent.