Effect Modification of Race on the Associated Tumor Size at Diagnosis and 10-Year Cancer Survival Rates in Women with Cervical Squamous Cell Carcinoma in the United States

Samara Khan (), Tooba Sheikh, Grettel Castro and Noël C. Barengo
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Samara Khan: Division of Medical and Population Health Sciences Education and Research, Department of Medical Education, Herbert Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA
Tooba Sheikh: Division of Medical and Population Health Sciences Education and Research, Department of Medical Education, Herbert Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA
Grettel Castro: Division of Medical and Population Health Sciences Education and Research, Department of Medical Education, Herbert Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA
Noël C. Barengo: Division of Medical and Population Health Sciences Education and Research, Department of Medical Education, Herbert Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA

IJERPH, 2023, vol. 20, issue 18, 1-10

Abstract: Background: While there may be an association between race, tumor size, and survival in patients with cervical squamous cell carcinoma (SCC), evidence on the effect of race on the association between tumor size at diagnosis and survival is limited. Our study evaluated whether race modifies the association between tumor size and 10-year survival in cervical SCC. Methods: This non-concurrent cohort study with the Surveillance, Epidemiology, and End Results (SEER) database included women diagnosed with cervical SCC between 2004–2018. The independent variable was diagnosis tumor size, where 2–4 cm was classified as high risk, and <2 cm was considered low risk. The dependent variable was 10-year cancer-specific survival rates, and race was our effect modifier. Unadjusted and adjusted Cox regression analysis were conducted to calculate hazard ratios (HR) and 95% confidence intervals (CI). Results: While a higher proportion of Black/Asian/Pacific Islander patients presented with tumor sizes of 2–4 cm compared to <2 cm (32.8% vs. 22.3%; p = 0.007) and having a tumor size of 2–4 cm had a significantly decreased 10-year survival (HR: 2.7; 95% CI: 1.3–5.8), the interaction between race and 10-year cancer-specific survival was not significant. Conclusion: Although race did not modify the interaction between tumor size and 10-year survival, emphasis needs to be placed on screening and proper data collection, especially for minority races, and studies with larger sample sizes should be conducted in order to better implement future recommendations to improve health and survival.

Keywords: cervical squamous cell cancer; cervical cancer; squamous cell cancer; survival; tumor size; race; SEER; database (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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