How quickly do systematic reviews go out of date? A survival analysis.

@article{Shojania2007HowQD,
  title={How quickly do systematic reviews go out of date? A survival analysis.},
  author={Kaveh G. Shojania and Margaret Sampson and Mohammed Toseef Ansari and Jun Ji and Steve Doucette and David Moher},
  journal={Annals of internal medicine},
  year={2007},
  volume={147 4},
  pages={224-33}
}
BACKGROUND Systematic reviews are often advocated as the best source of evidence to guide clinical decisions and health care policy, yet we know little about the extent to which they require updating. OBJECTIVE To estimate the average time to changes in evidence that are sufficiently important to warrant updating systematic reviews. DESIGN Survival analysis of 100 quantitative systematic reviews. SAMPLE Systematic reviews published from 1995 to 2005 and indexed in ACP Journal Club… CONTINUE READING
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