Table 4.

Correlation (r) of whole-urine proteins with measured GFR and age among case-patients

BiomarkerUrinary Protein-to-Creatinine RatioMeasured GFRAge
AQP2−0.15−0.170.16
VATPase0.42a−0.29−0.28
TGFβ0.5a−0.53a−0.07
N-cadherin0.190.090
TRPV40.5a−0.150.35
L1CAM0.34−0.320.09
eGFR−0.180.6a−0.44a
Urinary protein-to-creatinine ratio−0.44a−0.26
  • AQP2, aquaporin-2; VATPase, vacuolar-type H+-adenosine triphosphatase; TRPV4, transient receptor potential cation channel subfamily V member 4; L1CAM, L1 cell adhesion molecule; eGFR, estimated GFR.

  • a Significant correlation (P<0.05).