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Pancreatic ductal adenocarcinoma (PDAC) is characterized by an aggressive course; therefore, it was hypothesized that waiting times during disease management may serve as a prognostic factor for patients with PDAC. Data for all patients with PDAC who received treatment in Fukushima Medical University Hospital were collected. Median disease-free survival and overall survival time were calculated using the Kaplan-Meier method and utilized as cut-off points to divide the patients into 2 groups: A short and a long survival group. Clinical characteristics, including waiting times, the detection-to-diagnosis waiting time and the diagnosis-to-treatment waiting time, were compared between the 2 survival groups. A total of 149 patients were included in the present study. Among the 72 patients who underwent chemotherapy, no significant differences between the 2 survival groups regarding waiting times were identified; however, the proportion of patients with locally advanced disease and the administration of combination chemotherapy were significantly associated with increased survival. Additionally, no significant differences in the waiting times between the 2 survival groups were identified when evaluating the 79 patients who underwent surgical resection. In conclusion, the results of the present study indicated that detection-to-diagnosis and diagnosis-to-treatment waiting times do not influence the prognosis of patients with PDAC.

An observation study of the prognostic effect of waiting times in the management of pancreatic ductal adenocarcinoma