CRP and diabetes mellitus: Compared with the DM group, the levels of glycosylated hemoglobin (HbA1c) and international normalized ratio (INR) were significantly increased in the GT group (p < 0.05), the levels of prothrombin time (PT) was significantly increased in the DFG and GT groups (p < 0.05), the levels of C-reactive protein (CRP) was significantly higher in the DFG, GI and GT groups (p < 0.05).