Table 2.

Protein concentration of each charge fraction from B6 urine and combined stimulus.

Stimulus		Protein (μg/μL)
Combined fractions I-IV	male	3.57
	female	0.47
Fraction I	male	2.96
	female	0.25
Fraction II	male	3.38
	female	1.39
Fraction III	male	3.32
	female	0.59
Fraction IV	male	0.69
	female	0.10