Percent of background signal reduction determined by interpolation of dilution range from 1:85 to 1:100, using a logistic regression of five parameters.

Table 2: Percent of background signal reduction determined by interpolation of dilution range from 1:85 to 1:100, using a logistic regression of five parameters.

Dilution factor	M1	M2	M3	M4	M5	M6	M7	M8	M9	M10
85	71.8	47.2	107.0	63.1	79.7	453.1	65.7	61.6	73.2	54.8
90	69.3	45.4	101.7	60.1	75.3	442.5	63.0	59.4	70.9	52.8
95	67.0	43.8	100.9	57.5	71.6	432.7	60.5	57.4	68.8	50.9
100	64.9	42.4	92.5	55.0	68.4	423.5	58.2	55.6	66.9	49.2