Table 1.

Precision and accuracy for the quantification of C-Man-Trp (CMW) (n = 5).

Nominal Conc. (nM)	Mean Conc. (nM)	Intra-run		Inter-run
		Precision (RSD, %)	Accuracy RE (%)	Precision (RSD, %)	Accuracy RE (%)
< 300 nM of CMW (nM)
5	5.64	10.62	19.48	18.34	12.84
10	9.99	8.55	5.27	14.17	− 0.08
25	24.59	6.92	− 2.92	7.98	− 1.63
50	48.70	2.76	− 0.45	5.63	− 2.60
≥ 300 nM of CMW (nM)
5	5.22	9.22	− 2.43	19.86	4.45
10	10.45	11.53	− 3.01	12.71	4.49
25	23.52	7.46	− 9.56	10.95	− 5.94
50	48.36	4.75	− 11.87	7.75	− 3.29