Table 5.

ELISA tolerance to varying concentrations of human plasma

Plasma (%)	0	2.5	5	10	20	25	50
Relative k	−1.00	−1.15	−0.88	−1.13	−0.93	−0.74	−0.42
Matrix Effect (%)b	0	+15	−12	+13	−7	−26	−58

^b+ = signal enhancement; − = signal suppression