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. Author manuscript; available in PMC: 2017 Apr 15.
Published in final edited form as: Circ Res. 2016 Apr 15;118(8):1254–1263. doi: 10.1161/CIRCRESAHA.115.307347

Figure 1. Association between the number of patients (sample size) and weighted mean difference in the left ventricular ejection fraction (EF) between cell-based treatment and controls in meta-analyses of intracoronary cell therapy in patients with recent acute myocardial infarction.

Figure 1

A, Sample size (blue columns) and changes in EF from baseline to follow-up (differences between cell-treated and controls) (red columns). B, Correlation between sample size and mean difference in EF between cell-based treatment and control groups.