Fig. 1From: The synergistic effects of saxagliptin and metformin on CD34+ endothelial progenitor cells in early type 2 diabetes patients: a randomized clinical trialCFU-Hill’s colonies as an indicator of vascular health. Experiments were performed in duplicate and values are given as mean ± SD (p = 0.07, for the visit x treatment interaction t-test in a random effects mixed model)Back to article page