Decreasing Quality of the New Generations of Anti-Müllerian Hormone Assays

Table 1

Quality control of each analyzed AMH test.

Control	Expected conc. (ng/mL)	Imprecision between run					Trueness
		Mean Conc. (ng/mL)	Min	Max	SD	CV%	Bias	Bias%
AMH/MIS ELISA Immunotech REF A16507
Controls 1	0.42	0.4	0.24	0.49	0.06	13.4	−0.05	−0.3
Controls 2	11.3	11.4	10.5	12.3	0.48	4.2	0.01	0.6
AMH Gen II ELISA Beckman Coulter REF A73818
Controls 1	3.0	3.09	2.4	3.6	0.26	8.3	0.03	3.0
Controls 2	9.0	9.05	7.6	10.6	0.75	8.3	0.01	0.5
AMH Gen II ELISA Beckman Coulter REF A79765
Controls 1	2.9	2.86	2.51	3.11	0.22	7.7	−0.01	−1.4
Controls 2	8.2	8.47	7.44	9.65	0.58	6.8	0.03	3.3

CV: coefficient of variation, AMH: anti-Müllerian Hormone, and SD: standard deviation.