Table 1.

Mean Ct values for standard CYP2C19 and IL-2 gene amplification.

Amount of genomic DNA in standards (ng)	CYP2C19 Ct value (mean ± SD; n = 2)	IL-2 Ct value (mean ± SD; n = 2)
200	20.77 ± 0.084	22.55 ± 0.19
20	23.59 ± 0.076	NA
2	26.43 ± 0.092	28.81 ± 0.092
0.2	28.90 ± 0.074	32.30 ± 0.096

NA: not included in the analysis. The standard curve was obtained using three points.