Apr 3, 2002 By Paul Recer Ap Science Writer 3 min read

WASHINGTON (AP) – Poor women are less likely to be diagnosed and treated for breast cancer, and more likely to die from it, according to a study that searched for reasons why fewer black women survive the disease than whites. Other studies have shown that black women are more likely to be diagnosed with breast cancer at a late disease stage and to have a shorter survival time than white women – but it has not been established if this is because of race or poverty.

Cathy J. Bradley of Michigan State University said the new study shows that a lower socio-economic status is more important than race in determining the quality of medical care for women with breast cancer.

“Poor persons, regardless of their race, are likely to have undesirable cancer outcomes,” said Bradley and her co-authors in their study appearing Wednesday in the Journal of the National Cancer Institute.

Bradley said that the researchers used the Detroit cancer registry to identify 5,719 women with breast cancer. They then searched the registry for women with breast cancer who were also listed on the rolls of Medicaid, a program that provides medical care to the poor. They found 593 breast cancer patients in Medicaid and with incomes below the federal poverty level.

The researchers then compared the medical outcome of the patients on Medicaid with those who were not. In effect, Medicaid enrollment was used as a surrogate for poverty.

Bradley said they found that women on Medicaid were 41 percent more likely to be diagnosed with breast cancer at a late stage and were 44 percent less likely to receive radiation, a key part of breast cancer therapy.

Women on Medicaid were also three times more likely to die of the disease than were non-Medicaid patients.

The poor outcome of the Medicaid patients suggests that they are not receiving the routine medical care that might cause breast cancer to be discovered at an earlier, more treatable stage, said Bradley.

“If you don’t have a regular source of care prior to that diagnosis, you are more likely to be at a late stage of the disease” when treatment starts, said Bradley.

This suggests, she said, “there are gaps in the coverage.” She said there is a need for some initiative “that could reduce this late stage diagnosis and to provide care.”

Dr. Otis Brawley of the Winship Cancer Institute of Emory University said in a journal editorial that finding the true reasons for the difference in medical outcome are important “if we are to effectively reduce it.”

“Rather than speaking in racial/ethnic terms of black and white populations, it is more appropriate to speak in socio-economic terms of the ‘haves’ and the ‘have nots,”‘ said Brawley.

“This focus would rightfully bring other socio-economically deprived populations that include whites, Hispanics, Native Americans and Asians into the discussion.”

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On the Net:

Journal of the National Cancer Institute: http://www3.oup.co.uk/jnci/special/