Effect of intended intraoperative cholangiography and early detection of bile duct injury on survival after cholecystectomy: population based cohort study

What was the proportion of episodes of bile duct injury in patients with laparoscopic cholecystectomy vs counterparts with open cholecystectomy in the above study? With that kind of information patients would be in a postition to make an evidence-based decision for preferring one treatment modality to another