FASLG and systemic lupus erythematosus: This study involves the comparison of baseline data from 15 aPL-positive patients (mean age 43.3 ± 12.0 years [range 27–61], 10 [67%] female, 13 [87%] Caucasian; 10 had antiphospholipid syndrome, 5 asymptomatic aPL) and 7 aPL-negative SLE patients (mean age 40.0 ± 16.3 years [range 22–64], 7 [100%] female, 4 [57%] Caucasian).