Causes associated with recurrent choledocholithiasis following therapeutic endoscopic retrograde cholangiopancreatography: A large sample sized retrospective study

Table 2 Past medical history compared between the recurrence group and control group

Variable	Recurrence group (n = 477)	Control group (n = 477)	OR (95%CI)	P-value
Hypertension (Y/N)	84/393	63/414	1.405 (0.985-2.002)	0.060
Diabetes (Y/N)	34/441	26/452	1.334 (0.788-2.261)	0.284
Hepatitis B (Y/N)	37/440	34/438	1.083 (0.668-1.758)	0.746
Fatty liver (Y/N)	15/462	23/454	0.641 (0.330-1.244)	0.189
Liver cirrhosis (Y/N)	17/460	10/461	1.704 (0.772-3.760)	0.187
Cholecystectomy (Y/N)	252/225	212/265	1.400 (1.085-1.806)	0.010
Biliary-enteric anastomosis (Y/N)	5/471	2/475	2.521 (0.487-13.06)	0.270
Choledocholithotomy (Y/N)	88/389	31/446	3.255 (2.114-5.010)	0.000

Y: Yes; N: No.