| treatment    of stone | No | % | 
      
        | Endoscopic    stone retrieval: •Stone retrieval by basket
 •Stone retrieval by balloon
 •Combined basket & balloon
 •Mechanical internal lithotripsy
 •Mechanical external lithotripsy
 
 | 83
 31
 38
 9
 20
 | 13.2
 5
 6
 1.4
 3.2
 | 
      
        | Bad    general condition & stenting with re-do ERCP after a weak | 7 | 1.1 | 
      
        | Rendez-Vous    technique and endoscopic stone extraction. | 9 | 1.4 | 
      
        | Failed    endoscopic retrieval and stenting prior surgery | 16 | 2.5 | 
      
        | Surgical    treatment by Choledocho-lithotomy with T tube drainage of CBD | 16 | 2.5 |