The fact that all patients (both those with RA and those with RA with sSS) were receiving first-line treatment exclusively with nonsteroidal anti-inflammatory, corticosteroid, and disease-modifying agents may have had an impact on the lack of difference, according to Oleivira et al. ‘s [38] findings that CRP and ESR did not differ between those with RA and those with RA with sSS. Here, CRP is linked to rheumatoid arthritis.