CRP and diabetes mellitus: On the other hand, RA patients demonstrated increased rates of DM (14.1% versus 0%, P = 0.002), significantly elevated triglyceride levels (124.7 ± 53.8 mg/dl versus 104.8 ± 53.2 mg/dl; P = 0.001), lower serum phosphate and 25(OH)D3 levels (3.1 ± 0.5 mg/dl versus 3.4 ± 0.4 mg/dl; P = 0.0008, 17.5 ± 7.1 ng/ml versus 22.2 ± 7.1 ng/ml; P = 0.0009) and increased CRP levels compared to HC (14.8 ± 27.9 mg/l versus 2.7 ± 2.3 mg/l; P = 0.0004, respectively).