Table 1

BAFF gene expression and same-day SLE activity: percentage of patients in each of the BAFF categories (low, medium, high) that experience markers of disease activity on the day BAFF gene expression was measured

Variable1st Tertial (%, n=91)2nd Tertial (%,n=92)3rd Tertial (%,n=92)p ValueAdjusted p value, age, ethnicity and sex
PGA >11315280.0180.25
SELENA-SLEDAI ≥2405974<0.00010.0002
Urine protein:creatinine ratio >0.568200.00410.23
C3<79 mg/dL76220.00050.0012
C4<12 mg/dL48180.00850.0084
ESR >20 mm3850650.00120.0092
  • BAFF, B cell activating factor; PGA, physician global assessment; SLEDAI, Systemic Lupus Erythematosus Disease Activity Index; SELENA, Safety of Estrogens in Lupus Erythematosus: National Assessment.