Table 3. Ranked list of the 60 measured NFL concentrations for PBS samples spiked with 1.0 fg/ml NFL using the IMR NFL reagent.

Rank	Measured concentration (fg/ml)	Rank	Measured concentration (fg/ml)
1	0.86	31	1.06
2	0.90	32	1.06
3	0.91	33	1.06
4	0.92	34	1.06
5	0.92	35	1.07
6	0.93	36	1.08
7	0.93	37	1.08
8	0.93	38	1.08
9	0.93	39	1.09
10	0.94	40	1.09
11	0.94	41	1.09
12	0.94	42	1.09
13	0.95	43	1.09
14	0.95	44	1.09
15	0.96	45	1.10
16	0.96	46	1.10
17	0.96	47	1.10
18	0.97	48	1.11
19	0.99	49	1.11
20	0.99	50	1.12
21	1.00	51	1.13
22	1.01	52	1.14
23	1.01	53	1.14
24	1.03	54	1.17
25	1.05	55	1.20
26	1.05	56	1.20
27	1.05	57	1.21
28	1.05	58	1.31
29	1.05	59	1.38
30	1.05	60	1.41