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(A) Relationship between circulating CD34+CD133+ cell levels and age in subjects with stable coronary artery disease (CAD). The number of circulating CD34+CD133+ decreased linearly with age (ρ=−0.0360, p<0.001). (B) Relationship between circulating CD34+CD133+ cell levels and age in subjects with acute myocardial infarction (AMI). The number of circulating CD34+CD133+ cells 7 days after AMI was not associated with age.
