... GSTM1, glutathione S-transferase Mu-1; SE, shared epitope; SONORA, Study of New-Onset Rheumatoid Arthritis; VARA, Veterans Affairs Rheumatoid Arthritis. All analyses are age- and gender-adjusted.bCorresponding ... Arthritis; VARA, Veterans Affairs Rheumatoid Arthritis Registry. All analyses are age- and gend er-adjusted. “Ref .” = referent group in eachanalysis.Table 3 Associations of composite risk factors ... Rheumatol 2005,32:99 2-9 97.15. Ghelani AM, Samanta A, Jones AC, Mastana SS: Association analysis of TNFR2, VDR, A2 M, GSTT1, GSTM1, and ACE genes with rheumatoid arthritis in South Asians and Caucasians...