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Bias caused by sampling error in meta-analysis with small sample sizes.

Lifeng Lin
Published in: PloS one (2018)
Cautions are needed to perform meta-analyses with small sample sizes. The reported within-study variances may not be simply treated as the true variances, and their sampling error should be fully considered in such meta-analyses.
Keyphrases
  • meta analyses
  • systematic review
  • randomized controlled trial