Ahem. Back to the matter at hand.
Iraq death toll report defended by researchers
Group: Estimate of up to 794,000 civilian deaths based on sound methods
NBC NEWS EXCLUSIVE
Updated: 10:03 p.m. ET Oct 21, 2006
LOS ANGELES - A controversial estimate by public health experts that hundreds of thousands of Iraqis have died because of the March 2003 U.S.-led invasion of Iraq is likely an accurate assessment, researchers said on Saturday.
â€śOver the last 25 years, this sort of methodology has been used more and more often, especially by relief agencies in times of emergency,â€ť said Dr. David Rush, a professor and epidemiologist at Tufts University in Boston.
The study, published earlier this month by the Lancet medical journal, employed a method known as â€ścluster samplingâ€ť in which data are collected through interviews with randomly selected households.
Critics, including President George W. Bush, have said the results are not credible, but Rush said traditional methods for determining death rates, such as counting bodies, are highly inaccurate for civilian populations in times of war.
Researchers from Johns Hopkins University in Baltimore and Al Mustansiriya University in Baghdad estimated with 95 percent certainty that the war and its aftermath have resulted in the deaths of between 426,000 and 794,000 Iraqis.
Other estimates have calculated the number of extra Iraqi deaths to be much lower. The Iraq Body Count Database calculates that between 43,850 and 48,693 extra civilians have died since the invasion.
Rush, speaking at a meeting in Los Angeles on the medical consequences of the Iraq war, said that the relatively small size of the sample -- 1,849 households -- doesnâ€™t change the findings, although it does widen the â€śconfidence limits,â€ť hence the large range of the estimated additional deaths.
In addition, the biases inherent in cluster sampling, such as wording of questionnaires, would tend to undercount, rather than inflate, the number of deaths, Rush said.
â€śI think this is an extremely credible study,â€ť said Michael Intriligator, professor of economics at the University of California at Los Angeles.
Intriligator, who said he commonly uses cluster sampling in his own work, noted that the studyâ€™s most remarkable finding was the death rates in the country have risen from 5.5 per thousand Iraqis per year before the invasion to 13.2 per thousand per year as of the studyâ€™s July cutoff.
In addition to violence, death rates in Iraq are on the rise because of threats to public health, including poorly equipped hospitals, said activist Dr. Dahlia Wasfi.
â€śThe affects on the civilian population of the war in Iraq have been grossly underestimated,â€ť said Jonathan Parfrey, executive director of the Los Angeles chapter of Physicians for Social Responsibility.
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