Long term follow up (≥12–61months) for infarct size and LVEF: sub-group analysis.

CI, confidence interval; LVEF, left ventricular ejection fraction; N/A, not applicable; SCT, stem cell transplantation; WMD, weighted mean difference.astudies classified according to timing of stem cell administration in at least 70% of patients (as estimated from the mean and standard error or median and interquartile range).bMean%, Melzuin LD was excluded as treatment and control groups in this study could not be classified into the same baseline LVEF group.