Spearman’s rho variable (Active: Inactive LN) Baseline (47:53) 2 months (28:71) 4 months (22:78)
  rsp p value rsp p value rsp p value
Serum albumin -0.11 0.27 -0.17 0.08 -0.16 0.10
Serum creatinine 0.17 0.09 0.16 0.11 0.22 0.03
eGFR -0.18 0.07 -0.20 0.04 -0.25 0.01
Anti-dsDNA Ab titres (IU) 0.17 0.09 -0.03 0.72 0.06 0.56
C3 (mg/dl) -0.09 0.34 -0.08 0.38 -0.19 0.06
C4 (mg/dl) -0.02 0.97 -0.09 0.38 -0.19 0.06
Proteinuria (uPCI) 0.34 0.001 0.31 0.002 0.37 <0.001
Leucocyturia 0.21 0.03 0.19 0.06 0.13 0.19
Haematuria 0.10 0.29 0.04 0.64 0.06 0.50
SLEDAI-2K global score 0.19 0.05 0.29 0.004 0.33 0.001
SLEDAI -2K renal score 0.32 0.001 0.31 0.001 0.35 0.001
SLEDAI-2K-extra renal score -0.12 0.22 0.05 0.60 0.174 0.08
Table 5: Associations between uNGAL with parameters of lupus nephritis (LN) activity on follow up.