Abstract 89

DominantNo dominant
Patients (pts)7160
ERCPsper pt: mean (range)4.5 (1–18)1.5 (1–7)
Interventions per pt3.6 (1–18)0.6 (0–4)
Pts with follow-up ERCP51 (72%)20 (33%)
Duration of ERCP follow mean in months37 (1–192)28 (1–120)