Table 2.

Primary and secondary outcomes.

	Total	≤3 days ABn=137 (%)	≥4 days ABn=159 (%)	P value
Local infectious complication	41 (13.9)	16 (11.7)	25 (15.7)	0.32
Type of complication
– Recurrent cholangitis	28 (9.5)	10 (7.3)	18 (11.3)
– Cholecystitis	6 (2.0)	3 (2.2)	3 (1.9)
– Liver abscess	2 (0.7)	1 (0.7)	1 (0.6)
– Infected portal vein thrombosis	2 (0.7)	1 (0.7)	1 (0.6)
– Othera	3 (1.0)	1 (0.7)	2 (1.3)
Clostridioides difficile infection	0
Hospital stay, median in days (IQR)	6 (4–9)	6 (4–8)	7 (5–9)	0.03
Hospital stay ≤7 days	186 (62.8)	95 (69.3)	91 (57.2)	0.04
Mortality	4 (1.4)	0	4 (2.5)	0.13

^aOther: infected necrotizing pancreatitis, infected hematoma, spontaneous bacterial peritonitis.

IQR: interquartile range; AB: antibiotics.