he Safety Research of Timing of the Removal of Abdominal Drains After Pancreatic Surgery

Randomized, open, single-center, controlled prospective studies were designed to obtain reliable level I evidence in evidence-based medicine.Based on the premise of at least a 6-fold reduction in pancreatic fistula, as observed by Kawai et al after early drainage.Considering the overall incidence of pancreatic fistula after standard pancreatectomy at our center (approximately 20%), we would expect this complication to occur in approximately 3.4% of cases in Group A.α was set as 0.05 and β was set as 0.2 (efficacy was 80%), indicating that the total number of study subjects was at least 114 patients (at least 57 patients in the experimental group and 57 patients in the control group).