Trends in Clinicopathologic Characteristics and Prognostic Predictors of Survival Outcome in Black Patients with Gastric Carcinoma: A Single Institution's Experience

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Background: Age, gender, and ethnic group-related differences influence the outcome of gastric cancer. Our aim was to analyze the trends and association of clinicopathologic characteristics and prognostic factors of gastric cancer in black patients over a period of 28 y. Methods: A retrospective analysis of all black patients treated for gastric cancer from 1979 to 2007 at Howard University Teaching Hospital. This period was divided into two time frames, 1979-1993 and 1994-2007. Results: Of 286 patients in our study, there were 160 (55.9%) males versus 126 (44.1%) females. For the period 1979-1993, there were a total of 169 (59.1%) patients versus 117 (40.9%) for 1994-2007. A significant increase in the incidence of cardia/fundus tumors and stage IV tumors was noted between the two periods (P < 0.02, P < 0.004), 8.9% versus 12% and 71.4% versus 50.8%. The median survival time for the period 1979-1993 was 30.5 mo versus 39.2 mo for 1994-2007. The median survival time for males was 35.7 mo versus 34.9 mo for females. Significant independent predictors of a shorter gastric cancer-specific survival include tumor stage IV (HR 8.4 95% CI 2.0-35.0, P < 0.003), female gender (HR 2.3 95% CI 1.0-4.9, P < 0.02). Conclusion: Increased incidence of cardia/fundus tumors and stage IV disease may contribute to the sustained higher gastric cancer-specific mortality observed amongst black patients. Female gender emerged as an independent predictor of a shorter survival time. © 2009 Elsevier Inc. All rights reserved.

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