Retrieval barriers in individual participant data reviews with network meta-analysis.

Areti Angeliki VeronikiLesley A StewartSusan P C LeMike ClarkeAndrea C TriccoSharon E Straus

Published in: BMJ evidence-based medicine (2022)

We found no clear evidence of retrieval bias (where IPD availability was linked to trial findings) in either IPD-NMA, but because retrieval bias could impact NMA findings, subsequent decision-making and guideline development, this should be considered when assessing risk of bias in IPD syntheses.

Keyphrases

systematic review
decision making
meta analyses
study protocol
clinical trial
electronic health record
randomized controlled trial
big data
machine learning
artificial intelligence