Jeppesen J. Low-grade chronic inflammation and vascular damage in patients with rheumatoid arthritis: Don’t forget “metabolic inflammation”. J Rheumatol 2011;38:595–7. Reference 20 of this editorial should read as follows. Crowson CS, Myasoedova E, Davis JM 3rd, Matteson EL, Roger VL, Therneau TM, et al. Increased prevalence of metabolic syndrome associated with rheumatoid arthritis in patients without clinical cardiovascular disease. J Rheumatol 2011;38:29–35. We regret the error.