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Readmission rates after cancer surgery are infrequently reported, and better understanding of the etiologies for readmission is necessary. We sought to investigate the frequency, timing, and etiologies for hospital readmission after surgery for gastric cancer and whether readmission correlates with clinical outcomes.

Hospital readmission was examined through linkage of the California Cancer Registry with the Office of Statewide Health Planning and Development database. Patients with gastric adenocarcinoma who had undergone curative intent surgery between 2000 and 2011 were identified. First readmission within 90 days of initial surgery was analyzed with respect to timing (0–30, 31–60, and 61–90 days) and etiology for readmission. Variables associated with readmission and impact on 5-year overall survival (OS) were examined.

A total of 8887 (male, n = 5326; female, n …