Thursday, January 5, 2012

The era of missing data

"There is a problem so grave that it threatens the very validity of what we learn from the medical literature. Bad data? Not exactly. Actually, it’s missing data — information, relevant to the risks and benefits of treatments, that is simply not published."  Yale cardiologist Harlan Krumholz summarizes the latest issue of the BMJ, which documents in alarming detail how publication bias and selective publication have distorted the medical literature.

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