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Doctors over-estimate survival of terminally ill patients

Doctors tend to over-estimate the survival of terminally ill cancer patients, but become more accurate closer to the date of death, finds a study in this week's BMJ. Accurate prognoses are important so patients can plan for death.

Researchers reviewed eight studies involving more than 1,500 patients over 30 years to assess the accuracy of doctors' survival predictions.

They found that doctors' survival predictions are frequently inaccurate and usually over-optimistic, being out by more than a month a quarter of the time. However, their predictions become more accurate closer to death.

Despite their tendency to be over-optimistic, predictions of up to six months are nevertheless reliable, being closely correlated with actual survival. This suggests that doctors are able to sense when things are starting to go wrong, say the authors.

Doctors need to be aware of their tendency to over-estimate survival as it may affect the patients' prospects for achieving a good death, they conclude.


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Contact: Emma Dickinson
edickinson@bmj.com
44-0-20-7383-6529
BMJ-British Medical Journal
24-Jul-2003


Page: 1

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