Table 4.

Inter-assay coefficients of variation (CV).

Nitrite Conc. (mM)	Batch #/Sensor #/Green Color Intensity			Mean Green Color Intensity	Mean of Means	Std. of Means	CV (%)
High (0.9)	1/1/105.51	1/2/103.44	1/3/97.86	Batch #1: 102.27	100.83	4.41	4.37
High (0.9)	2/1/98.22	2/2/96.14	2/3/93.28	Batch #2: 95.88
High (0.9)	3/1/102.58	3/2/106.79	3/3/103.66	Batch #3: 104.34
Medium (0.5)	1/1/116.63	1/2/115.60	1/3/122.09	Batch #1: 118.11	120.70	5.93	4.91
Medium (0.5)	2/1/129.35	2/2/130.21	2/3/122.89	Batch #2: 127.48
Medium (0.5)	3/1/114.58	3/2/116.42	3/3/118.49	Batch #3: 116.50
Low (0.1)	1/1/136.26	1/2/144.34	1/3/140.54	Batch #1: 140.38	141.12	4.60	3.26
Low (0.1)	2/1/145.36	2/2/146.30	2/3/142.11	Batch #2: 144.59
Low (0.1)	3/1/130.58	3/2/139.41	3/3/136.22	Batch #3: 135.40
Glucose Conc. (mM)	Batch #/Sensor #/Red Color Intensity			Mean Red Color Intensity	Mean of Means	Std. of Means	CV (%)
High (0.7)	1/1/78.66	1/2/73.88	1/3/74.35	Batch #1: 75.63	76.28	4.19	5.49
High (0.7)	2/1/80.25	2/2/79.48	2/3/82.55	Batch #2: 80.76
High (0.7)	3/1/72.53	3/2/73.88	3/3/70.96	Batch #3: 72.46
Medium (0.5)	1/1/88.80	1/2/86.32	1/3/92.35	Batch #1: 89.16	88.72	3.75	4.23
Medium (0.5)	2/1/85.69	2/2/82.11	2/3/86.52	Batch #2: 84.77
Medium (0.5)	3/1/94.26	3/2/90.81	3/3/91.63	Batch #3: 92.23
Low (0.1)	1/1/116.1	1/2/122.91	1/3/121.27	Batch #1: 120.09	119.74	5.00	4.18
Low (0.1)	2/1/126.32	2/2/122.20	2/3/125.16	Batch #2: 124.56
Low (0.1)	3/1/112.56	3/2/114.79	3/3/116.36	Batch #3: 114.57