Skip to main content

Table 2 Association between log transformed EFV concentration and categorical explanatory variables.

From: CYP2B6*6, CYP2B6*18, Body weight and sex are predictors of efavirenz pharmacokinetics and treatment response: population pharmacokinetic modeling in an HIV/AIDS and TB cohort in Zimbabwe

Variable

Mean Log EFV concentration

p-value

CV

Gender

 

0.195

74%

Male

1.68

  

Female

1.46

  

CYP 2B6*6

 

0.008*

68%

GG

1.16

  

GT

1.55

  

TT

2.35

  

CYP 2B6*18

 

<0.001***

69%

TT

1.35

  

TC

2.22

  

CC

3.01

  

ABCB1 1236C/T

 

0.841

74%

CC

1.60

  

CT

1.56

  

TT

1.30

  

CYP 2A6*9

 

0.004**

72%

GG

1.47

  

AA

2.21

  

CYP 2A6*17

 

0.694

74%

AA

1.92

  

AG

1.45

  

GG

1.62

  

CNS Toxicity

 

0.122

73%

Yes

1.72

  

No

1.43

  

Regimen

 

0.619

73%

TDF/3TC/EFV

1.434

  

AZT/3TC/EFV

1.510

  

D4T/3TC/EFV

1.655

  

ART Only

1.452

0.334

79%

ART + anti-TB Therapy

1.618

  
  1. “*”p < 0.05, “**”p < 0.01, “***”p < 0.001; CV= coefficient of variation.