Table 8.

Mean, standard deviation, and RSD% measures of endogenous homogenate (pg/mL)

		1,25(OH)2D2	1,25(OH)2D3	24,25(OH)2D2	24,25(OH)2D3	25(OH)D2	25(OH)D3
Intra-day
Day 1	Mean, pg/mL	24.99	ND	234.77	91.54	127.93	19.72
	SD	0.42		15.32	0.11	0.80	0.34
	% RSD	1.68		6.53	0.12	0.62	1.70
Day 2	Mean, pg/mL	25.19	ND	205.48	92.05	114.85	18.43
	SD	0.42		23.69	0.22	0.87	0.31
	% RSD	1.67		11.53	0.23	0.76	1.66
Day 3	Mean, pg/mL	24.49	ND	222.66	92.78	143.41	13.77
	SD	0.23		20.65	0.44	4.43	1.41
	% RSD	0.94		9.27	0.48	3.09	10.21
Inter-day
Average	Mean, pg/mL	24.89	ND	220.97	92.12	128.73	17.31
	SD	0.36		19.89	0.26	2.03	0.68
	% RSD	1.43		9.11	0.28	1.49	4.53