Abstract

This study aimed to investigate the impact of demographic and socioeconomic factors on survival in patients with major salivary gland malignancies.Population-based study using the Surveillance, Epidemiology, and End Results (SEER) cancer database.The study cohort consisted of 10,735 men and women ages 20 and older who were diagnosed with major salivary gland carcinoma from 1973 to 2009.Kaplan-Meier analysis revealed that the overall and disease-specific survival was higher for women than for men (P < .001). Overall and disease-specific survival decreased with increasing age (P < .001) and differed by race (P < .001) and marital status (P < .001). Patients residing in counties with higher rates of high school completion had higher overall and disease-specific survival (P < .001). Patients residing in counties with higher median household incomes had better overall and disease-specific survival than patients from lower income counties (P < .001). On multivariable analysis, male sex (hazard ratio [HR] = 1.41; 95% confidence interval [CI], 1.32-1.50), increasing age, and single status (HR = 1.36; 95% CI, 1.27-1.44) had poor prognostic impact on overall survival. Male sex (HR = 1.38; 95% CI, 1.27-1.49), increasing age, and single status (HR = 1.29; 95% CI, 1.19-1.39) had poor prognostic impact on disease-specific survival.For patients with salivary gland malignancies, there is a survival benefit for younger patients, female patients, and married patients. This highlights the significance of demographic factors on survival outcomes for patients with salivary gland malignancies and highlights areas for further research on health disparities.

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