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Table 3 Spearman correlation coefficients between various clinical parameters in IgAN patients

From: Vitamin D deficiency may predict a poorer outcome of IgA nephropathy

  proteinuria 25(OH)D SBP ALB UA
eGFR −0.377** 0.196* −0.656** 0.155 −0.513**
proteinuria 1 −0.553** 0.464** −0.564** 0.219*
25(OH)D   1 −0.316** 0.665** −0.140
SBP    1 −0.272** 0.302***
ALB     1 −0.065
UA      1
  1. eGFR, estimated glomerularfiltration rate, SBP, systolic blood pressure, ALB albumin, UA uric acid
  2. *P < 0.05, **P < 0.01, ***P < 0.001