Table 3.

Number of episodes of interval cholangitis per patient grouped by diagnosis

Episodes of interval cholangitis
Diagnosis	No. of patients	Total no. of interventions	Total no. of episodes (%)	Mean episodes per patient	Median (range)
Post-cholecystectomy injury	39	272	42 (15%)	1.1	0 (0–7)
Primary sclerosing cholangitis	6	90	10 (11%)	1.7	1.5 (0–5)
Recurrent pyogenic cholangitis	6	39	2 (5%)	0.3	0 (0–1)
Caroli’s disease	7	73	11 (15%)	1.6	1 (0–5)
Other	5	20	2 (10%)	0.4	0 (0–2)
Total	63	494	67 (14%)	1.1 (p > 0.05)