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%). The gene discussed is BTG3; the disease is arthritic joint disease.