Figure 2.

Publication bias and its potential impact (functional status at 3 months). The blue circles represent individual studies, the blue lines are the funnel plot, and the blue diamond is the effect size (Hedges's g) and 95% confidence interval for the current meta-analysis. The red diamond is the effect size (Hedges's g) and 95% confidence interval for the meta-analysis, after adjusting for publication bias.

Deschodt et al. BMC Medicine 2013 11:48   doi:10.1186/1741-7015-11-48
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