Table 2.

Intra- and inter-day precision and accuracy. Intra- and inter-assay precision, expressed as coefficient of variation (%CV), and recovery data evaluated at each Quality Control (QC) level. Standard deviation (SD).

Intra-Assay					Inter-Assay			Recovery %
Compound	QC Level	Mean Response	SD	%CV	Mean Response	SD	%CV	Mean	SD
CORT	QC1	0.13	0.02	13.47	0.14	0.01	8.43	50.12	13.18
	QC2	0.52	0.01	2.35	0.52	0.03	5.12	33.12	0.73
	QC3	2.88	0.15	5.09	2.57	0.13	5.14	44.29	1.98
11-DECOL	QC1	0.27	0.02	7.97	0.15	0.02	12.41	46.99	6.64
	QC2	0.67	0.01	1.63	0.72	0.06	7.83	67.45	6.67
	QC3	2.19	0.11	4.98	2.26	0.21	9.48	58.18	2.83
ADIONE	QC1	0.83	0.04	4.99	0.99	0.03	3.15	23.26	7.16
	QC2	2.14	0.10	4.77	2.30	0.15	6.72	22.01	2.26
	QC3	11.99	0.13	1.12	11.85	0.32	2.73	24.53	2.23
TESTO	QC1	0.67	0.09	13.82	0.56	0.05	8.77	19.50	2.92
	QC2	2.14	0.31	14.67	1.92	0.09	4.51	37.46	0.48
	QC3	6.39	0.73	11.49	5.29	0.74	13.94	44.85	5.91
17-OHP	QC1	0.21	0.03	15.24	0.35	0.04	10.84	22.78	9.92
	QC2	0.78	0.07	8.86	1.04	0.06	5.99	30.61	6.49
	QC3	6.25	0.17	2.77	6.76	0.62	9.15	50.64	2.60
PROG	QC1	0.83	0.03	3.20	1.01	0.07	6.90	39.56	4.31
	QC2	2.26	0.21	9.54	2.95	0.19	6.70	30.60	1.92
	QC3	13.92	0.10	0.72	14.77	1.22	8.30	40.43	7.50