Table 3.

Multiple linear regression model for 4‐OH‐CPA plasma concentration based on genotypes (n = 189)

Variables	Beta‐standardized coefficients	P values	Partial r	Partial r 2
CYP2C19*2	−0.414	<0.001	−0.486	0.236
CYP2B6 ‐750 T > C	−0.381	<0.001	−0.464	0.215
CYP2B6 15582C > T	−0.182	0.017	−0.241	0.044
CYP2B6 ‐2320 T > C	−0.166	<0.001	−0.223	0.059
PXR 66034 T > C	−0.138	0.028	−0.190	0.037

General r ² of the model =47.9%, the percentage of inter‐individual variability of 4‐OH‐CPA.