Abstract
Purpose
We investigated comorbidities and endometrial cancer survival by ethnicity because Hispanic whites (HWs) have worse survival than non-Hispanic whites (NHWs).
Methods
An endometrial cancer cohort (1992–2004) established with the Surveillance, Epidemiology and End Results-Medicare-linked database (n = 3,286) was followed through 2007. Endometrial cancer-specific and other cause mortality were evaluated with multivariate hazard ratios (mHRs).
Results
HWs were more likely than NHWs to have regional/distant disease (31.7 vs. 24.8 %), diabetes (31.7 vs. 11.0 %), and hypertension (49.4 vs. 37.6 %). HWs had poorer endometrial cancer-specific survival than NHWs (age-adjusted HR = 1.28; 95% CI 1.01–1.61), but not after adjustment for tumor characteristics and treatment (mHR = 1.02; 95% CI 0.81–1.29). In contrast, even after adjustment for cancer-related factors, other cause mortality in HWs was elevated (mHR = 1.27; 95% CI 1.01–1.59), but not after further adjustment for comorbid conditions (mHR = 1.07; 95% CI 0.85–1.35).
Conclusions
Comorbidities, particularly diabetes, were more common in HWs than in NHWs and impacted other cause mortality. Improving diabetes management may be an effective means of improving other cause mortality. This may be particularly true for HWs, given their particularly high prevalence of diabetes.
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Acknowledgments
This research was supported by grant 1R03CA143610–01 and contract HHSN261201000033C from the US National Cancer Institute, US National Institutes of Health. Additional support was provided by the University of New Mexico Cancer Research and Treatment Center, a recipient of NCI Cancer Support Grant 2 P30 CA118100-07.
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The authors declare that they have no conflict of interest.
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Cook, L.S., Nelson, H.E., Cockburn, M. et al. Comorbidities and endometrial cancer survival in Hispanics and non-Hispanic whites. Cancer Causes Control 24, 61–69 (2013). https://doi.org/10.1007/s10552-012-0090-z
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DOI: https://doi.org/10.1007/s10552-012-0090-z