Table 2.

Interpretation of putative markers in FSGS.

Soluble urokinase receptor: suPAR	Normal: undetermined	Intermediate risk: >3000 pg/mL	Suggestive of suPAR-mediated FSGS: >3500 pg/mL
Relative podocyte β3 integrin activity/paxillin on human podocytes compared to control (10% patient sera)	<1	Intermediate risk: >1	Highly suggestive of suPAR- β3 integrin mediated FSGS: >1.5
Glomerular albumin permeability factor: Palb	Normal: 0	Non-specific: 0.2–0.5	Increased risk: >0.5
Angiotension-1 receptor antibody: AT1Rab	Negative: <10 U/mL	Borderline: 10–17 U/mL	Positive: >17 U/mL