BMC Clinical Pathology

Table 1 Elecsys^® rack-pack yield for 28 days.

From: Serum S100B levels after meningioma surgery: A comparison of two laboratory assays

n tests
For clinical use daily	For clinical use monthly	For calibration	For Quality Control	Total	Kit yield
1	28	16	56	101	0.28
2	56	16	56	130	0.43
3	84	16	56	159	0.53
4	112	16	56	188	0.60
5	140	16	56	217	0.65
10	280	16	56	362	0.77
15	420	4	56	495	0.85
20	560	4	56	640	0.88
25	700	4	56	785	0.89
30	840	4	56	930	0.90
40	1120	4	56	1220	0.92
50	1400	4	56	1510	0.93
60	1680	4	56	1800	0.93
70	1960	4	56	2090	0.94
80	2240	4	56	2380	0.94
90	2520	4	56	2670	0.94
100	2800	4	56	2960	0.95

Data are correct provided manufacturer specifications and recommendations are followed. Kit yield is close to maximal at 20 tests per day, at which point additional costs are close to negligible.

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ISSN: 1472-6890

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