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Impact of the Weekday of Surgery on Outcome in Gastric Cancer Patients who Underwent D2-Gastrectomy



The impact of the weekday of surgery in major elective cases of the upper-GI has been discussed controversially. The objective of this study was to assess whether weekday of surgery influences outcome in patients undergoing D2-gastrectomy.

Materials and methods

Patients who underwent D2-gastrectomy for gastric adenocarcinoma between 1996 and 2016 were included. Weekday of surgery was recognized, and subgroups were analyzed regarding clinical and histopathological differences. Survival analysis was performed based on weekday of surgery, and early weekdays (Monday–Tuesday) were compared with late weekdays (Wednesday–Friday).


In total, 460 patients, 71% male and 29% female, were included into analysis. The median age was 65 years. Distribution to each weekday was equal and ranged from 86 cases (Wednesday) to 96 cases (Tuesday). The pT, pN and M category and the rate of patients who underwent neoadjuvant treatment did not show significant differences (p = 0.641; p = 0.337; p = 0.752; p = 0.342, respectively). The subgroups did not differ regarding the number of dissected lymph nodes and rate of R-1/2 resections (p = 0.590; p = 0.241, respectively). Survival analysis showed a median survival of 43 months (95% CI 31–55 months), and there was no single weekday or a combination of weekdays (Mon/Tue vs Wed/Thu/Fri) with a significant favorable or worse outcome (p = 0.863; p = 0.30, respectively). The outcome did not differ regarding mortality within the first 90 days after surgery (p = 0.948).


The present study does not show any evidence for a significant impact of weekday of surgery on short- and long-term outcome of patients undergoing gastrectomy for gastric adenocarcinoma.

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Correspondence to H. Alakus.

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All authors declare no financial and personal relationships with other people or organizations that could inappropriately influence (bias) their work.

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Berlth, F., Messerle, K., Plum, P.S. et al. Impact of the Weekday of Surgery on Outcome in Gastric Cancer Patients who Underwent D2-Gastrectomy. World J Surg 42, 1811–1818 (2018).

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