The association between dietary inflammatory index with risk rheumatoid arthritis: A case-control study.

Diet represents an important set of potential risk factors for rheumatoid arthritis (RA), a known inflammatory condition. This case-control study examined the association between the inflammatory potential of diet, as determined by the dietary inflammatory index (DII®), and RA risk in an Iranian population. The present Case-control study was conducted on 100 RA patients and 200 age- and sex-matched controls in Isfahan, Iran.