CRP and rheumatoid arthritis: Potential prognostic markers for assessing RA disease activity had been investigated earlier, including the classical inflammatory markers, rheumatoid factors (RF), anti‐cyclic citrullinated peptide (anti‐CCP) antibodies, C‐reactive protein (CRP), and erythrocyte sedimentation rate (ESR) that are widely used as indicators of disease activity.6, 7