Disaggregating Data on Pacific Islander Gastric Cancer Patients Reveals Survival Disparity

Purpose The incidence and prognosis of Pacific Islanders with gastric cancer is not well documented as previous studies have often aggregated this population with Asians. The purpose of our study was to describe patient and tumor characteristics, as well as prognostic factors of Pacific Islanders wi...

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Bibliographic Details
Published in:Journal of gastrointestinal cancer 2022-03, Vol.53 (1), p.144-150
Main Authors: Yoshikawa, Gene T., Simon, Nicholas, Nakasone, Ryon K., Acoba, Jared D.
Format: Article
Language:English
Subjects:
Asians
Cancer Research
Cohort Studies
Gastroenterology
Humans
Incidence
Internal Medicine
Medicine
Medicine & Public Health
Oncology
Original Research
Proportional Hazards Models
Radiotherapy
Stomach Neoplasms - therapy
United States
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Summary:Purpose The incidence and prognosis of Pacific Islanders with gastric cancer is not well documented as previous studies have often aggregated this population with Asians. The purpose of our study was to describe patient and tumor characteristics, as well as prognostic factors of Pacific Islanders with gastric cancer. Methods Patients diagnosed with gastroesophageal junction or gastric adenocarcinoma between 2000 and 2014 were identified in the tumor registry of the largest hospital in Hawaii. Overall survival of Asians, Whites, and Pacific Islanders were calculated using the Kaplan-Meier method and log-rank test. Cox proportional hazards regression models were constructed to assess predictors of survival adjusting for clinical and pathological factors. Results A total of 615 patients were included in the final analysis. Pacific Islanders were found to present at a younger age, were more often uninsured or had Medicaid insurance, and were diagnosed with a higher stage of cancer compared to their Asian and White counterparts. Pacific Islanders were less likely to undergo surgery even after adjusting for stage. Race was a prognostic factor and survival was lowest among Pacific Islanders, but only if the model was unadjusted for treatment. Conclusions We present an analysis of the largest cohort of Pacific Islander gastric cancer patients. Pacific Islanders have different sociodemographic characteristics and inferior survival compared to Asian patients and should be independently studied.
ISSN:1941-6628
1941-6636
DOI:10.1007/s12029-020-00579-6