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Figure 4 Prevalence of thrombus (A) and mean (±SD) color grade (B) in patients with DM (solid bars) and patients without DM (hatched bars). The prevalence of thrombus and the mean color grade immediately after reperfusion were not different between the patients with HL and those without HL. The prevalence of thrombus was significantly higher and the mean color grade tended (p = 0.08) to be higher in the patients with DM at one month. The mean color grade at six months was not different between the patients with DM and those without DM. 0 M = immediately after reperfusion; M = months after reperfusion. *p < 0.05 vs. patients without DM.