Background HPV‐related oropharyngeal squamous cell carcinoma (OPSCC) is associated with a favorable prognosis, yet patients of color and low socioeconomic status (SES) continue to experience inferior outcomes. We aim to understand how the emergence of HPV has impacted race and SES survival disparities in OPSCC. Methods A retrospective cohort of 18,362 OPSCC cases from 2010 to 2017 was assembled using the SEER (Surveillance, Epidemiology, and End Results) database. Cox proportional regression and Fine and Gray regression models were used to calculate hazard ratios (HRs) adjusting for race, SES, age, subsite, stage, and treatment. Results Black patients had lower overall survival than patients of other races in HPV‐positive and HPV‐negative OPSCC (HR 1.31, 95% CI 1.13–1.53 and HR 1.23, 95% CI 1.09–1.39, respectively). Higher SES was associated with improved survival in all patients. Race had a diminished association with survival among high SES patients. Low SES Black patients had considerably worse survival than low SES patients of other races. Conclusion Race and SES interact variably across cohorts. High SES was protective of the negative effects of race, although there remains a disparity in outcomes among Black and non‐Black patients, even in high SES populations. The persistence of survival disparities suggests that the HPV epidemic has not improved outcomes equally across all demographic groups.
Background Although strongly associated with tobacco and alcohol use, many oral cavity squamous cell carcinoma (OCSCC) cases occur in patients without exposure to either, known as “never‐smoker, never‐drinkers” (NSND). We aimed to compare clinical outcomes between NSND and tobacco/alcohol‐exposed populations and to define demographic characteristics of NSND. Methods We performed a retrospective, single‐institution cohort study of 672 OCSCC patients. Cox models were used to estimate differences in overall survival (OS) and recurrence‐free survival (RFS) between NSND and tobacco/alcohol‐exposed patients while adjusting for confounders. Results NSND represented 25.6% of our cohort and were older, more female, and more economically advantaged. Among NSND, oral tongue tumors dominated in younger patients, while alveolar ridge tumors dominated in elderly patients. Multivariate survival analysis revealed no differences in OS or RFS between NSND and tobacco/alcohol‐exposed patients. Conclusion When adjusted for independent biologic features, clinical outcomes in OCSCC are similar between NSND and tobacco/alcohol‐exposed patients.
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