Esophageal cancer in Hispanics: A propensity score matched analysis of the National Cancer Database.

Authors

null

Kenneth Lee Meredith

Jellison Cancer Institute, Florida State University College of Medicine, Sarasota, FL

Kenneth Lee Meredith , Jamie Huston , Ravi Shridhar

Organizations

Jellison Cancer Institute, Florida State University College of Medicine, Sarasota, FL, Sarasota Memorial Hospital, Sarasota, FL, Florida Hospital Cancer Institute, Orlando, FL

Research Funding

No funding sources reported

Background: Hispanics are the fastest-growing minority and largest ethnic group accounting for 19.1% of the US population. The American Cancer Society estimated 21,560 new cases of esophageal cancer (EC) in the US in 2023. Hispanics are reported to be at high risks for EC. We sought to interrogate the demographic patterns of esophageal cancer in Hispanics. Additionally, we sought to examine evidence of socioeconomic disparities and differential therapy. Methods: We identified Hispanic vs Non-Hispanic (NH) patients in the National Cancer Database with esophageal cancer between 2005–2018. Variables compared were age, sex, tumor data, surgical intervention, type of treatment, insurance status, income, residence area, and Charlson/Deyo score. Pearson’s Chi-square test was used to compare categorical variables. Groups were statically equated with propensity score-matched analysis (PSM). Survival analysis was estimated by the Kaplan-Meier method and associated log-rank test. Significance was considered at p-value ≤0.05. Results: We identified 66,335 patients with a median age of 63 years (18-90). Hispanics represented 4.2% (2,786) of the entire patient cohort. In this US population we identified significant disparities between Hispanic and NH groups. Differences among Hispanics included higher prevalence of squamous EC (22% vs 19%) p<0.001, higher likelihood of stage IV disease (40.7% vs. 34.8%) p<0.001, younger age p<0.001, higher uninsured status (10.3% vs 3.3%) with income < $40,227 (27.5% vs 16.9%) p<0.001 when compared to NH. However, Hispanics were less likely to have surgical intervention (20.5% vs 27.5%) p<0.001, receive neoadjuvant therapy (61.8% vs 72%) and overall, less likely to receive any type of treatment (30.1% vs 26.1%) when compared to NH p<0.001. Time to treatment was delayed in those Hispanics who were uninsured 37 weeks (22-55) compared to those with private insurance 31 weeks (20-47) p<0.001. Multivariate analysis revealed that any treatment, insurance status, and lower income were all predictors of survival. Treated Hispanics demonstrated no difference in survival then their treated non-Hispanic counterparts (median survival 18.5 vs 18.7 months) with overall 5 year survival at 24% and 25% respectively (p=0.66). Conclusions: Despite lower prevalence, there is a disproportionately higher number of metastatic and untreated cases of esophageal cancer among Hispanics. This disparity may be explained by Hispanics' limited access to medical care exacerbated by their socioeconomic and insurance status. Our findings warrant further clinical and epidemiologic research to reveal other factors impacting these health and health care disparities.

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Abstract Details

Meeting

2024 ASCO Gastrointestinal Cancers Symposium

Session Type

Poster Session

Session Title

Poster Session A: Cancers of the Esophagus and Stomach and Other Gastrointestinal Cancers

Track

Esophageal and Gastric Cancer,Other GI Cancer

Sub Track

Cancer Disparities

Citation

J Clin Oncol 42, 2024 (suppl 3; abstr 258)

DOI

10.1200/JCO.2024.42.3_suppl.258

Abstract #

258

Poster Bd #

B16

Abstract Disclosures

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