Researchers Skew Data?

TT Note: Some researchers have long been known to use selection bias so their studies will show the results they want. Not all researchers do this. It would be nice if we didn't use our bias history as we make deductions now. Hey, didn't I just do that?

I thought this article was interesting. Perhaps the possibility of an increased breast cancer risk will make some women think twice or three times.....

Study: Turkish Women with Abortions Have Statistically Significant 66% Increase in Breast Cancer Risk / Researchers Likely Underestimated the Risk, Reports Scientist

/Standard Newswire/ -- I guess they didn't get the 'memo' from the U.S. National Cancer Institute (NCI), which declared back in 2003 that the non-existence of the ABC (abortion-breast cancer) link had been 'established'"! - Professor Joel Brind, Breast Cancer Prevention Institute

A retrospective study conducted by Dr. Vahit Ozmen and his colleagues at the Istanbul Medical Faculty and Magee-Women's hospital reported a statistically significant 66% increase in breast cancer risk among women who'd had any abortions.

According to Joel Brind, professor of endocrinology at Baruch College, City University of New York and a director at the Breast Cancer Prevention Institute, Ozmen's team most likely underestimated the breast cancer risk associated with abortion because of a flaw known as "selection bias."

Selection bias would also explain their team's unusual findings - significantly decreased risks for
women who use oral contraceptives (OCs) and hormone replacement therapy (HRT). The World
Health Organization and the NCI acknowledge that use of combined (estrogen + progestin) OCs and combined HRT increase risk.

Selection bias is a flaw in the study because only hospital or clinic patients were selected as study
subjects, and they were therefore not representative of the general population. According to Brind's hypothesis, a disproportionate number of "modern" women were likely represented among the controls, a group more likely to use HRT and OCs, have abortions and visit the hospital often for minor complaints. By contrast, a disproportionate number of "traditional" women were represented among the patients; women less likely to use HRT and OCs, have abortions and visit the hospital (except in cases of serious illness, like breast cancer).

To their credit, Dr. Ozmen et al. did acknowledge the likelihood of selection bias in their study, although they were not specific in attributing any effects on their results to it.

Brind's analysis of Ozmen's research can be read
here:
www.abortionbreastcancer.com/download/
BrindTurkishStudy.pdf (http://rs6.net/tn.jsp?et=1102652862893&s=13633&e=001xxmgfXy49dLCmcC1PHAHANLDqnoIurCPs85rTzPiEBdoGHzu_EyXBIgnNH6qacd9SJ5QxORxBoh97fV4PkI-sbJB_X2k8X7e1s_XwZjyXK4aFgn8S6TxYCLwmx_bhI2ytTImi5kWc-Lp_jZ-Y0-h-PM2aTTHWIqx-W-PgaUWj_Q=)

"Although the NCI, the nation's largest funder of cancer-research, and others have worked feverishly to suppress the ABC link by publishing fraudulent research and even leaning on scientists whose studies have shown risk increases among women who have abortions, honest research occasionally escapes the NCI's purview," declared Karen Malec, president of the Coalition on Abortion/Breast Cancer.

The Coalition on Abortion/Breast Cancer is an international women's organization founded to protect the health and save the lives of women by educating and providing information on abortion as a risk factor for breast cancer.

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