Ethnicity, Comorbid Medical Conditions, and SARS-CoV-2 Test Cycle Thresholds in the Veteran Population #MMPMID34322857
Petersen J; Jhala D
J Racial Ethn Health Disparities 2022[Oct]; 9 (5): 1775-1782 PMID34322857show ga
BACKGROUND AND AIMS: It has been documented that African Americans have been significantly affected by COVID-19 infection due to systemic societal factors, which may lead to increases in comorbid medical history and subsequently vulnerability to having higher viral loads as measured by the cycle threshold/number (CT/CN) values by reverse transcriptase polymerase chain reaction (RT-PCR). Differences in CT/CN values by ethnicity and comorbid medical history could play an important role in public health research, particularly in elucidating the reasons for differential public health outcomes by ethnicity, as viral loads are known to correlate with disease severity. However, there is a gap in the literature regarding CT/CN values by ethnicity and comorbid medical history. Therefore, this study seeks to address this literature gap and its important implication for public health research. METHODS: A retrospective review of all SARS-CoV-2 RT-PCR tests collected at the regional Veterans Administration Medical Center (VAMC) serving the Philadelphia area from March 17, 2020, to May 20, 2020, was performed to collect demographic information such as race, gender, and age. In addition, comorbid medical conditions, clinical course, and CT/CN values were obtained for the positive cases. RESULTS: There was a total of 1524 patients tested for SARS-CoV-2. A total of 713/1524 patients (46.8%) were African American. A total of 187/1524 patients (12%) had tested positive for SARS-CoV-2 from which 139/187 (74%) were African American. African American patients required more intensive unit care. Both African Americans and other ethnicities had similar rates of comorbid medical conditions. On comparison of the ethnic groups, there were lower viral loads in African Americans on admission, though the difference was not statistically significant. CONCLUSION: African American Veterans tested positive at higher rates and require more ICU care, despite similar rates of comorbid illness and viral loads.
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J+Racial+Ethn+Health+Disparities 2022 ; 9 (5): 1775-1782
