Table 2 Structural abnormalities predisposing to biliary tract infection and bacteraemia.

	Total	Community‐ acquired	Hospital‐ acquired	Stents in situ
Cancer	18/49 (37%)	–	–	–
Pancreatic	9/49 (18%)	–	–	–
Known	5	3	2	2
Newly diagnosed	4	4	–	–
Cholangiocarcinoma	7/49 (14%)	–	–	–
Known	3	1	2	2
Newly diagnosed	4	2	2	–
Liver metastases (not related to pancreatic or cholangiocarcinoma)	2/49 (4%)	2	–	–
Non‐cancer	16/49 (33%)	–	–	–
Choledocholithiasis	14/49 (29%)	–	–	–
Known	6	6	1	–
Newly diagnosed	8	7	–	–
Other	2/49 (4%)	–	–	–
Benign stricture	2	2	–	–
Unknown	15/49 (31%)	10	5	–