Table 2.

Intra and inter day assay accuracy (% bias) data for CUR, DMC, BDMC, THC, HHC, OHC, COG and COS.

Compound	Nominal Conc. (ng/mL)	Intra-Assay			Inter-Assay
		Set 1	Set 2	Set 3	Set 1	Set 2	Set 3
CUR	4	7.125	6.292	9.667	6.108	7.067	2.817
	8	3.592	13.950	−0.379	7.317	7.379	−2.979
	16	1.385	0.577	−2.098	1.288	2.415	2.354
	32	0.487	1.851	2.794	2.268	3.550	0.873
	64	−3.866	1.203	−1.182	1.620	−0.235	1.046
	128	1.329	0.039	−1.309	−0.840	0.306	−0.203
	256	0.313	0.384	0.126	−0.780	0.193	−0.212
DMC	4	2.842	6.200	−2.992	5.667	0.758	5.525
	8	1.100	5.425	−7.587	3.075	3.783	1.492
	16	2.035	2.271	−0.896	2.023	1.448	3.040
	32	−0.196	2.447	0.860	0.841	1.664	0.080
	64	1.882	−0.136	−1.713	0.634	0.556	0.948
	128	−0.260	0.258	−0.088	−0.126	0.043	0.210
	256	−0.008	−0.086	0.271	0.143	0.333	−0.760
BDMC	4	0.633	2.392	3.108	4.192	0.692	1.767
	8	4.317	2.508	−2.871	7.167	4.854	0.296
	16	0.208	3.646	2.667	4.337	2.167	2.356
	32	−0.632	0.948	0.342	1.740	−0.793	2.111
	64	−5.248	0.324	1.055	0.106	0.451	−0.172
	128	0.779	−0.310	−0.105	0.367	−0.182	0.454
	256	0.206	−0.197	0.770	0.560	−0.509	0.444
THC	4	1.483	0.075	−2.358	−3.333	2.800	−2.358
	8	15.000	0.908	5.783	2.300	−5.908	−1.712
	16	4.375	4.583	5.823	4.104	1.652	3.748
	32	−1.563	−2.708	2.653	2.365	1.337	2.627
	64	−0.573	0.365	−0.009	−0.157	0.038	0.460
	128	−2.552	−1.250	−1.172	−0.422	−0.414	0.578
	256	0.547	−1.094	−0.394	0.165	−0.173	0.642
HHC	4	0.658	8.175	0.925	3.250	3.600	0.450
	8	−10.000	−4.667	0.621	3.971	−5.458	−0.650
	16	−5.208	−2.083	4.517	1.106	−0.527	−0.215
	32	3.125	1.354	2.694	3.232	0.439	−2.377
	64	0.990	0.469	2.398	1.955	1.144	0.789
	128	0.990	−1.120	0.010	0.024	−0.421	0.499
	256	−0.352	−1.328	0.085	−0.304	0.123	−0.096
OHC	4	2.808	9.908	7.494	4.883	6.550	−0.042
	8	1.208	0.300	1.883	−2.842	3.133	0.192
	16	−3.448	3.789	−0.919	1.071	2.378	−2.581
	32	11.098	−3.083	−0.706	−1.488	1.964	4.443
	64	−1.296	−0.001	−0.800	1.420	0.310	0.252
	128	−0.487	1.633	0.733	0.438	−0.558	−0.582
	256	2.931	0.624	−0.092	0.774	0.119	−0.122
COG	4	8.833	5.833	2.833	1.500	0.083	−1.750
	8	11.583	10.458	9.375	7.333	5.375	3.708
	16	2.771	1.708	1.208	0.604	0.292	−0.542
	32	0.354	−0.052	0.177	0.021	−0.125	−0.354
	64	1.620	1.417	1.448	0.903	0.391	0.469
	128	0.891	0.646	0.143	−0.339	−0.982	−1.070
	256	0.807	0.440	0.064	0.135	−0.089	−0.010
COS	4	12.750	6.750	4.667	1.750	1.250	0.667
	8	3.692	1.958	1.250	0.792	0.000	−1.000
	16	0.479	0.437	0.081	−0.375	−0.648	−0.604
	32	1.010	0.531	0.156	−0.229	−0.094	−0.260
	64	0.104	−1.615	−0.260	−0.260	−0.245	−0.391
	128	1.510	0.208	0.122	0.065	−0.008	−0.388
	256	0.833	0.612	0.208	0.273	−0.508	0.013