CRP and rheumatoid arthritis: Moreover, age, weight, height, BMI, RA duration, disease activity score (DAS), hemoglobin, fasting blood glucose (FBS), urea, creatinine, calcium, vitamin D, thyroid-stimulating hormone (TSH), C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), RF, and anti-CCP were non-significant (Table 4).