CRP and diabetes mellitus: Significant differences (p < 0.05) were observed across the quartiles for variables such as age, gender, race, body mass index, education level, marital status, poverty income ratio, smoking status, alcohol consumption, diabetes, hypertension, hyperlipidemia, phenotypic age, phenotypic age acceleration, albumin, creatinine, glucose, C-reactive protein, lymphocyte percentage, red cell distribution width, alkaline phosphatase, and white blood cell count.