Table 3. Assay reproducibility in clinical specimens.

ID	Test 1	Test 2	Test 3	Ave	SD
1	5.39	5.89	5.67	5.65	0.25
2	5.34	5.20	5.05	5.19	0.14
3	5.27	5.17	4.91	5.12	0.19
4	4.61	4.55	4.74	4.63	0.10
5	4.56	4.46	4.48	4.50	0.05
6	4.40	4.52	4.35	4.42	0.09
7	3.83	4.09	4.18	4.04	0.18
8	3.63	3.39	3.27	3.43	0.19
9	2.05	2.40	2.96	2.47	0.46
10	TND	TND	2.17	-	-
11	TND	TND	TND	-	-
12	TND	TND	TND	-	-

SD = Standard Deviation

TND = Target Not Detected