Table 1. Correlation coefficients among CYP gene expression potentials in STP wastewater.

	CYP1A2	CYP1B1	CYP3A1	CYP3A2	CYP2B15
CYP1A1	0.954*	0.837*	0.847*	0.785*	0.668*
CYP1A2		0.841*	0.843*	0.784*	0.683*
CYP1B1			0.870*	0.910*	0.669*
CYP3A1				0.873*	0.547*
CYP3A2					0.742*

Level of significance: *P < 0.05