Table 2

Summary of all ERCP procedures according to the grading scale

ProcedureNo (%)Success (%)Complication (%)
Grade I55 (18)49 (87)2 (4)
Grade II86 (28)65 (75.5)3 (5)
Grade III153 (50)122 (80)7 (5)
Grade IV11 (4)8 (63)1 (9)
Total305244 (80)13 (4)