Figure 1. Number of bile duct injuries reported by all respondents. In group A, 422 surgeons reported 533 biliary injuries. In group B, 143 surgeons reported 171 biliary injuries. In group A, 75 surgeons reported two biliary injuries, 17 reported three injuries, and 1 reported four injuries. In group B, 22 surgeons reported two biliary injuries and 3 reported three injuries.