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Figure 2 LVEF in PCI and CABG Groups at Baseline and After 12 Months

There was no significant difference in LVEF between the groups at baseline (p = 0.22). After 1 year, LVEF improved significantly in the PCI group (p = 0.04) but did not in the CABG group (p = 0.85). There was a significant difference in LVEF between the groups after 12 months (p = 0.01). CI = confidence interval; LVEF = left ventricular ejection fraction; SD = standard deviation; other abbreviations as in Figure 1.