The prevalence of each ACR classification criterion (Figure 1) and new SLICC criterion (Figure 2) for SLE was determined and the most frequently observed criteria were positive ANA titer (in 94% of patients), immunologic disorder (91%), arthritis (90%), anti-dsDNA (85%), low complement (85%), hematologic disorder (79%), leukopenia (78%), and acute cutaneous lupus (73%). This evidence concerns the gene BTG3 and Arthritis.