Racial disparities in survival in malignant germ cell tumors of the ovary.

Abstract:

OBJECTIVE:To investigate racial disparities with respect to adjuvant treatment and survival in patients presenting with malignant ovarian germ cell tumors (OGCT). METHODS:The National Cancer Database (NCDB) was used to identify women diagnosed with OGCT. Demographic data were abstracted, including stratification by race and histology. Standard univariate and multivariate analyses using logistic regression were performed to describe predictors of adjuvant treatment. Kaplan-Meier and Cox proportional hazards survival methods were used to evaluate racial differences in survival between African American (AA) and white (W) women. RESULTS:The study population included 2196 patients, with 1654 (75.3%) W and 328 (14.9%) AA women. Histologic distribution varied significantly by race (p<0.0001), but neither age nor stage at presentation showed racial differences (p=0.086 and p=0.209, respectively). AA received more chemotherapy than W (W: 54.6%, AA: 65.5%, p=0.008), but in multivariate analysis there was no statistically significant difference in any adjuvant treatment modality. Despite similar treatment, and independent of histology, survival varied significantly by race with 91% (CI 0.89-0.93) five year survival in W patients compared to 84% five year survival in AA (CI 0.8-0.89) (p=0.02). These disparities were most pronounced in advanced stage disease, with 5 year survival of 84% (CI 0.79-0.89) in W compared to 61% (CI 0.48-0.78) for AA in stage III (p=0.0002), and 54% (CI 0.42-0.68) compared to 14% (CI 0.03-0.71) for stage IV (p=0.05). CONCLUSIONS:AA with OGCT have significantly worse 5 year survival when compared to W patients despite similar rates and modalities of adjuvant treatment.

journal_name

Gynecol Oncol

journal_title

Gynecologic oncology

authors

Hinchcliff E,Rauh-Hain JA,Clemmer JT,Diver E,Hall T,Stall J,Growdon W,Clark R,Schorge J

doi

10.1016/j.ygyno.2016.01.006

subject

Has Abstract

pub_date

2016-03-01 00:00:00

pages

463-9

issue

3

eissn

0090-8258

issn

1095-6859

pii

S0090-8258(16)30006-3

journal_volume

140

pub_type

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