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Table 3 Comparisons of allele frequencies for VKORC1 G-1639A and CYP2C9 A1075C

From: A PCR method for VKORC1 G-1639A and CYP2C9 A1075C genotyping useful to warfarin therapy among Japanese

Allele frequency

VKORC1 c.-1639G > A (rs9923231)

CYP2C9 c.1075A > C (rs1057910)

 

G

A

A

C

Nagoya citizen

0.085

0.915

0.979

0.021

HapMap projects

    

   African

0.978

0.022

1.000

0.000

   Caucasian

0.602

0.398

0.942

0.058

   Chinese

0.058

0.942

0.953

0.047

   Japanese

0.099

0.901

0.977

0.023

Japanese in Shizuoka area

    

Yoshizawa, et al. 2009

0.082

0.918

0.979

0.021

  1. CYP = Cytochrome P450, VKORC1 = Vitamin K epoxide reductase complex, subunit 1.