BTG3 and systemic lupus erythematosus: These differences were reproduced in a second cohort of 768 patients (ILL2) and then confirmed in another unrelated data set (GSE45291) of 244 low–disease activity AA and EA SLE patients who were also matched for mean, median, and range of SLEDAI and ANA titer (Supplemental Tables 3 and 4; Supplemental Figure 1).