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. 2011 Jun 1;117(11):2520-9.
doi: 10.1002/cncr.25812. Epub 2010 Dec 14.

Variation in quality of care among older men with localized prostate cancer

Ravishankar Jayadevappa  1 , Sumedha Chhatre, Jerry C Johnson, S Bruce Malkowicz
Affiliations

Variation in quality of care among older men with localized prostate cancer

Ravishankar Jayadevappa et al. Cancer. .

Abstract

Background: The objective of this study was to assess the racial and ethnic disparities in outcomes and their association with process-of-care measures for elderly Medicare recipients with localized prostate cancer.

Methods: The Surveillance, Epidemiology, and End Results-Medicare databases for the period from 1995 to 2003 were used to identify African-American men, non-Hispanic white men, and Hispanic men with localized prostate cancer, and data were obtained for the 1-year period before the diagnosis of prostate cancer and up to 8 years postdiagnosis. The short-term outcomes of interest were complications, emergency room visits, readmissions, and mortality; the long-term outcomes of interest were prostate cancer-specific mortality and all-cause mortality; and process-of-care measures of interest were treatment and time to treatment. Cox proportional hazards regression, logistic regression, and Poisson regression were used to study the racial and ethnic disparities in outcomes and their association with process-of-care measures.

Results: Compared with non-Hispanic white patients, African-American patients (Hazard ration [HR], 1.43; 95% confidence interval [CE], 1.19-1.86) and Hispanic patients (HR=1.39; 95% CI, 1.03-1.84) had greater hazard of long term prostate specific mortality. African-American patients also had greater odds of emergency room visits (odds ratio, 1.4; 95% CI, 1.2-1.7) and greater all-cause mortality (HR, 1.39; 95% CI, 1.3-1.5) compared with white patients. The time to treatment was longer for African-American patients and was indicative of a greater hazard of all-cause, long-term mortality. Hispanic patients who underwent surgery or received radiation had a greater hazard of long-term prostate-specific mortality compared with white patients who received hormone therapy.

Conclusions: Racial and ethnic disparities in outcomes were associated with process-of-care measures (the type and time to treatment). The current results indicated that there is an opportunity to reduce these disparities by addressing these process-of-care measures.

Keywords: external beam radiation therapy; health resource utilization; mortality; prostate cancer; quality of care; race and ethnicity; radical prostatectomy.

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Figures

Figure 1
Figure 1
Quality of Care- Conceptual Model
See this image and copyright information in PMC

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