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Table 1 Selection criteria

From: Journal impact factor, trial effect size, and methodological quality appear scantly related: a systematic review and meta-analysis

a) Selection criteria for inclusion of systematic reviews

 Human

 English or French

 Binary mortality outcome

 5 to 30 eligible RCTs with at least one death

b) Selection criteria for RCT inclusion

 Design

Patient-level RCT (excluded if quasi-randomized or cluster randomized*)

 Population

Human

 Intervention

Any

 Control

Any

 Outcome

Mortality

Numerator/denominator in each group

 Journal

Journal impact factor ascertainable

  1. *Quasi-randomized, e.g., alternating allocation, allocation based on chart number, etc.; re: cluster-randomization, an exception was made for studies which randomized mothers and counted neonatal deaths
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Systematic Reviews

ISSN: 2046-4053