Table 3.

Interday and intraday variation (% CV) were evaluated over the course of 8 consecutive days (n = 4 per day) at 2, 10, and 20 ng/ml using the spike then precipitate method.

No.	Analyte	Concentration (ng/ml)	Intraday (% CV)	Interday (% CV)
1	Testosterone	2	18.04	21.86
		10	2.06	11.18
		20	2.2	8.3
2	Dihydrotestosterone	2	9.38	23.32
		10	3.86	22.58
		20	1.52	8.33
3	Progesterone	2	3.9	11.29
		10	1.04	7.83
		20	0.97	7.37
4	Cortisone	2	5.7	11.18
		10	4.29	8.45
		20	3.12	5.84
5	Cortisol	2	11.22	15.44
		10	5.9	20.94
		20	0.49	6.19