ENPP2 and hematocrit: Patients with LRE had significantly higher age (p < 0.001), higher prevalences of DM (p = 0.012) and HT (p < 0.001), higher levels of fasting blood glucose (FBG, p = 0.046), insulin (p = 0.049), and ATX (p < 0.001), lower prevalence of DL (p = 0.009), and lower levels of albumin (p < 0.001), TC (p < 0.001), LDL-C (p < 0.001), and platelet count (p < 0.001) compared with non-LRE patients.