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Figure 2 Left ventricular ejection fraction (LVEF) at baseline and during the seven months of follow-up of troponin I positive (cTnI+; solid circle) and negative (cTnI–; solid square) patients. *p < 0.001 vs. baseline (month 0); p < 0.001 vs. cTnI– group. Data are shown as mean ± 95% confidence interval.