Statistical methods can be improved within Cochrane pregnancy and childbirth reviews.

  title={Statistical methods can be improved within Cochrane pregnancy and childbirth reviews.},
  author={Richard D Riley and Simon Gates and James Neilson and Žarko Alfirevi{\'c}},
  journal={Journal of clinical epidemiology},
  volume={64 6},
OBJECTIVES To assess statistical methods within systematic reviews of the Cochrane Pregnancy and Childbirth Group (CPCG). STUDY DESIGN AND SETTING We extracted details about statistical methods within 75 reviews containing at least 10 studies. RESULTS The median number of forest plots per review was 52 (min=5; max=409). Seven of the 75 reviews assessed publication bias or explained why not. Forty-four of the 75 reviews performed random-effects meta-analyses; just 1 of these justified the… CONTINUE READING
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