Table V.

Precision studies for the 100 and 300 ng/mL cutoff HEIAs

HEIA	Control	Within-run CV (n = 10)	Between-run CV (n = 25)
100 ng/mL cutoff	75 ng/mL	0.52%	2.42%
	125 ng/mL	0.61%	2.07%
300 ng/mL cutoff	225 ng/mL	0.66%	1.31%
	375 ng/mL	0.31%	0.79%