Table 2

BAFF serum protein and same-day SLE activity: percentage of patients in each of the BAFF categories (low, medium, high) that experience markers of disease activity at their clinical visit

VariableLow (<950 pg/mL)
(%, n=96)
Medium (950–1400 pg/mL)
(%, n=98)
High (>1400 pg/mL)
(%, n=98)
p ValueAdjusted p value for age, ethnicity and sex
PGA >12015210.530.47
SELENA-SLEDAI ≥25256640.210.089
Urine protein:creatinine ratio >0.5128130.590.32
Anti-dsDNA ≥10 (Crithidia)1818320.0260.013
C3 <79 mg/dL811140.420.44
C4 <12 mg/dL89120.630.77
ESR >20 mm4551580.190.11
  • 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.