Monday, May 13, 2013

Study: Nearly one-third of all death certificates are wrong

Death certificates are important public health documents. They help epidemiologists understand leading causes of deaths and how they are changing. They power big studies of what killed us in the past — and what kills us now.  And, according to a new Center for Disease Control study, about a third of them may be wrong.

Columbia University’s Barbara A. Wexelman led a survey of 521 resident physicians in New York City. About one-third of those doctors completed more than 11 death certificates in the past year, making them pretty familiar with how the system works.

“Only one-third of the respondents,” Wexelman and her team found, “believed the current system accurately documents correct cause of death.” Nearly half — 48.6 percent —  of respondents reported having identified a cause of death that did not actually represent what the person died from. A small number, 2.9 percent, had ever gone back and updated a death certificate after learning new information about the patient’s circumstance.

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