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Figure 5 Age dependency of endothelial progenitor cells (EPCs)/lymphocytes (a), EPCs/blood (b), and vascular endothelial growth factor (VEGF) (c) after coronary artery bypass graft surgery. The global age effects (EPCs/lymphocytes: p < 0.01; EPCs/blood: p < 0.01; VEGF: p < 0.05) between the two age groups <62 and >69 years were assessed within a repeated measures analysis of variance model also adjusting for time. Reported significances (*p < 0.05) for VEGF between the two age groups <62 and >69 years at the time points preoperatively and 6 h postoperatively were calculated by separate (for each time point) analysis of variance models. The three comparisons between the age groups at each time point were Bonferroni-adjusted. Circles = <62 years; squares = 62 to 69 years; triangles = >69 years.
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