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Funding Acknowledgements Type of funding sources: Other. Main funding source(s): American Heart Association Pre-doctoral Fellowship Background Cancer patients and survivors have higher burden of cardiovascular diseases than the age-adjusted general population. However, evidence on distribution of cardiovascular disease risk factors in cancer patients is limited. Purpose Our aim was to assess if racial disparities exist in prevalence of cardiovascular disease risk factors in head and neck cancer patients.  Methods In this clinical cohort, we included 2299 head neck squamous cell carcinoma (HNSCC) patients diagnosed between 2012-2018 at a National Cancer Institute-designated Cancer Center. We used a combination of ICD-9/10 codes, medication use and pharmacy records from electronic medical records data, to identify cardiovascular disease risk factors (hypertension, dyslipidemia and diabetes mellitus). We reported prevalence of cardiovascular disease risk factors at and one year-post HNSCC diagnosis, by race, using Chi-square or Wilcoxon test, as appropriate.  Results Black HNSCC patients were diagnosed at a slightly younger age (median: 60.0 vs 62.0 years, p-value 0.0745), had a higher proportion of males (p-value 0.0221) and advanced cancer stage at diagnosis (p-value 0.0033), than white HNSCC patients. At diagnosis, 32.63% of black HNSCC patients had hypertension and 34.44% had at least one cardiovascular disease risk factor, compared to 24.59% and 27.74% in whites, respectively (p-values 0.0020 and 0.0127, respectively). At one-year post HNSCC diagnosis, 84.73% of all HNSCC patients had at least one cardiovascular disease risk factor. No statistically significant racial differences were observed for hypertension and diabetes mellitus at one-year post HNSCC diagnosis, however, 37.74% of white HNSCC patients had dyslipidemia compared to 27.49% black patients (p-value 0.003).  Conclusion Higher prevalence of hypertension and advanced cancer stage at HNSCC diagnosis in black patients highlights issues of racial disparity and unequal access to care. High prevalence of cardiovascular disease risk factors at one-year post HNSCC diagnosis and increase in dyslipidemia in white patients emphasizes the impact of therapeutic agents and need for routine personalized monitoring of cardiovascular disease risk factors and cardiovascular disease preventive services in high risk HNSCC patients.

Racial disparities in prevalence of cardiovascular disease risk factors in head and neck cancer patients