Learning curve for pancreatoduodenectomy: can it be generalized?

Background We hypothesized that a learning curve exists for pancreatoduodenectomy (PD) and that the factors that show a learning curve and the degree of improvement over time differ among surgeons. Methods We analysed the outcomes of PD in 300 patients operated by two surgeons between 2001 and 2014; these comprised the first 150 patients operated by each surgeon. Patients operated by each surgeon were classified into three groups according to...