Disparities in ovarian cancer treatment and overall survival according to race: An update.

Authors

Deanna Huffman

Deanna Huffman

Allegheny Health Network, Pittsburgh, PA

Deanna Huffman , Thejus Thayyil Jayakrishnan , Karthik Shankar , Chelsea Peterson , Rodney E. Wegner

Organizations

Allegheny Health Network, Pittsburgh, PA, Medcl Coll of Wisconsin, Wauwatosa, WI, Department of Internal Medicine, Allegheny General Hospital, Pittsburgh, PA, Allegheny General Hospital, Pittsburgh, PA, Division of Radiation Oncology, Allegheny Health Network Cancer Institute, Pittsburgh, PA

Research Funding

No funding received
None

Background: It has long been identified that black women with ovarian cancer have worse overall survival when compared to white women. Disparities in the adherence to NCCN guideline-directed treatment and socioeconomic characteristics may be responsible for the differences in these outcomes. Methods: A retrospective review of National Cancer Database (NCDB) was performed to identify patients diagnosed with ovarian cancer from 2012-2016. We defined adherence to NCCN (National Comprehensive Cancer Network) guidelines as having stage and year-appropriate chemotherapy and surgery. Differences in guideline adherence, socioeconomic characteristics and survival outcomes were assessed. Results: In total, 32,163 were identified meeting the study criteria; 27,744 identified their race as “white” and 2,204 identified their race as “black”. Characteristics associated with higher likelihood of black race were advanced stage of disease- stage III (OR = 1.1869, CI = 1.03-1.37) or stage IV disease (OR = 1.4495, CI = 1.23-1.70) and treatment in a comprehensive (OR = 1.5757, CI = 1.16-2.15) or academic (OR = 2.3023, CI = 1.70-3.12) treatment facility. Variables associated with a lower likelihood of black race were higher education level (OR for high school degree < 6.5 % = 0.2501, CI = 0.21-0.30) and higher median household income (OR for income > $63,333 = 0.4218, CI = 0.36-0.49). Whether the care received was adherent to NCCN guidelines did not seem to be associated with black race (OR for adherence = 1.0021, CI = 0.89-1.13). 5-year overall survival for patients who received adherent care was 58% for white patients vs. 49% for black patients. Among those who didn’t receive adherent care, the outcomes were 49% among white patients vs. 38% among black patients. Conclusions: Overall survival remains worse for black patients, regardless of whether their care adhered to NCCN guidelines as defined by our study. This suggests that while receipt of care that is not adherent to NCCN guidelines seems to be negatively associated with overall survival, we must consider and evaluate other socioeconomic, environmental and system factors that are contributing to this continued survival discrepancy in women being treated for ovarian cancer.

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Abstract Details

Meeting

2021 ASCO Annual Meeting

Session Type

Poster Session

Session Title

Gynecologic Cancer

Track

Gynecologic Cancer

Sub Track

Ovarian Cancer

Citation

J Clin Oncol 39, 2021 (suppl 15; abstr 5552)

DOI

10.1200/JCO.2021.39.15_suppl.5552

Abstract #

5552

Poster Bd #

Online Only

Abstract Disclosures

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