Table 1

Patient characteristics (n=83)

CharacteristicNo of patients% of patients
Male3036
Age (y)68 (15.3)1-150
Previous cholecystectomy3846
T tube in situ1316
Previous surgical exploration of duct911
Intrahepatic stones911
Size of largest stone (cm)1.5 (1.1)1-150
No of stones
 13846
 21619
 31214
 >31721
  • 1-150 Data are mean (SD).