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Table 2 Correlations of serum levels for BLyS and APRIL to lupus activity parameters, pathological scores, and renal and systemic involvement at baseline.

From: APRIL, a proliferation-inducing ligand, as a potential marker of lupus nephritis

   BLyS APRIL
Renal parameters    
R_SLEDAI   -0.17 0.22
Serum creatinine mg/dl 0.06 0.06
Erythrocyturia cells/high power field -0.13 0.06
Urine protein g/day -0.05 0.44**
Activity score   -0.11 0.34*
Chronicity score   0.25 0.20
Lupus parameters    
ANA titer   -0.20 0.02
Anti-dsDNA titer   -0.28 0.23
Complement factor 3 mg/dl 0.46** -0.44**
Total leukocyte count cells/mm3 -0.49*** 0.26
Polymorph cells/mm3 -0.40** 0.18
Lymphocyte cells/mm3 -0.42*** -0.14
Treatment    
Prednisolone mg/day 0.46*** 0.25
Mycophenolate mg/day 0.37** -0.09
  1. ANA, antinuclear antibody; APRIL, a proliferation-inducing ligand; BlyS, B lymphocyte activation protein; R_SLEDAI, renal Systemic Lupus Erythematous Disease Activity Index. *P < 0.05, **P < 0.01, ***P < 0.001.