CRP and major depressive disorder: There were significant differences in the distribution of demographic characteristics based on the status of combined high levels of CRP or HbA1c, except for SBP (p = 0.197), DBP (p = 0.192), sex (p = 0.460), smoking status (p = 0.603), alcohol consumption (p = 0.179), stroke (p = 0.905), and depression (p = 0.170).