Table 1.

Estimated pfmdr1 gene copy number of laboratory strains used as controls

	pfmdr1 CN	No. of RT-PCR runs	Range of estimated CN	Mean estimated CN ± SD
3D7	1	30	0.76 - 1.40	1.11 ± 0.15
K1	1	30	0.79 - 1.41	1.16 ± 0.16
W2mef	2	4	1.86 - 2.34	2.11 ± 0.22
DD2	3-4	4	3.43 - 4.06	3.77 ± 0.34