Table 2. The K_D and δA_max of all the PIs with and without methamphetamine.

No Methamphetamine				100 μM Methamphetamine
	PIs	δAmax	KD (μM)	δAmax	KD (μM)
	Lopinavir	0.0070 ± 0.0002	2.5 ± 0.1	0.0078 ± 0.0005	4.1 ± 0.8
Type I	Atazanavir	0.0045 ± 0.0002	3.2 ± 0.8	0.0046 ± 0.0002	4.7 ± 0.7
	Tipranavir	0.0050 ± 0.0005	3.1 ± 0.1	0.0061 ± 0.0002	4.7 ± 0.4
	Nelfinavir	0.0068 ± 0.0001	2.9 ± 0.1	0.0040 ± 0.0003*	1.4 ± 0.3#
Type II	Ritonavir	0.0055 ± 0.0003	0.065 ± 0.001	0.0038 ± 0.0003*	0.043 ± 0.001*
	Indinavir	0.0044 ± 0.0002	0.174 ± 0.030	0.0039 ± 0.0002	0.086 ± 0.010*

*-indicates a p-value <0.05;

^#-Indicates p-value <0.1