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Explore the impact of discrepancies in reports on ejection fraction effect size. This study examines varying numbers of discrepancies in trials to determine their influence on EF effect sizes. Published in BMJ in 2014 by Nowbar et al.
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Mean ejection fraction effect size by number of discrepancies in reports 10 8 6 4 2 0 -2 EF effect size (+ SE) 0 5 trials 1-10 24 trials 11-20 12 trials 21-30 3 trials > 30 5 trials Number of discrepancies per trial Nowbar et al., BMJ 2014