Table 2.

 Bile duct injuries among 51 041 cholecystectomies recorded in GallRiks, according to detection timing

	No of bile duct injuries
Detected during primary operation
Partial injury to common bile duct or hepatic duct	119
Transection of common bile duct or hepatic duct*	13
Lesion above hepatic duct confluence*	28
Injury not classifiable	10
Subtotal (%)	170 (23)
Delayed detection†
Cystic duct leakage	265
Leakage from small ducts in the liver bed	106
Partial injury to common bile duct or hepatic duct	11
Transection of common bile duct or hepatic duct*	3
Lesion above the hepatic duct confluence*	4
Postoperative major stricture*	7
Unknown cause or injury not classifiable	181
Subtotal (%)	577 (77)
Total	747

*Classified as severe bile duct injuries.

†Injury detected postoperatively, within 30 days of cholecystectomy.