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Background. There are few studies comparing recurrences between endoscopic retrograde cholangiopancreatography (ERCP) and open choledochotomy (OCT). Aims. To compare the effect of different surgical methods on single and multiple recurrences of choledocholithiasis. Methods. A total of 1255 patients with choledocholithiasis who underwent ERCP or OCT were retrospectively studied. The recurrence of choledocholithiasis was calculated by the Kaplan–Meier method with the log-rank test. Multivariate analyses of recurrent choledocholithiasis were performed by introducing variables with P