CRP and rheumatoid arthritis: However, all six clinical core dataset measures—swollen joint count (SJC), tender joint count (TJC), physician global assessment (DOCGL), patient physical function (FN), pain and patient global assessment (PATGL) (other than ESR or CRP) [1, 2]—may be elevated in patients with RA with comorbid FM [9, 10], depression [11–13], osteoarthritis [14, 15] and other comorbidities, even in a setting of little to no inflammatory activity.