Levels of circulating “mature OCN-expressing EPCs” (CD34+/CD133-/KDR+/OCN+ cells) were not different between patients with and without CAD (1.89 [1.10, 2.65] vs. 2.08 [1.20, 2.86] LN cell counts/100,000 counts, P = 0.63) (Fig 3A). This evidence concerns the gene KDR and coronary artery disorder.