Association between warfarin dose and VKORC1 −1639G>A, 1173C>T (intron 1), and 1542G>C (intron 2) in whites and blacks
Genotype . | White . | Black . | ||||||
---|---|---|---|---|---|---|---|---|
n . | Warfarin dose (mg/wk) . | P . | R2 . | n . | Warfarin dose (mg/wk) . | P . | R2 . | |
−1639G>A | ||||||||
GG | 124 | 46 ± 17 | <.001 | 0.28 | 105 | 47 ± 17 | <.001 | 0.13 |
GA | 156 | 33 ± 11 | 18 | 33 ± 15 | ||||
AA | 41 | 23 ± 7 | 2 | 23 ± 13 | ||||
1173C>T | ||||||||
CC | 123 | 45 ± 17 | <.001 | 0.25 | 104 | 47 ± 17 | <.001 | 0.14 |
CT | 152 | 33 ± 11 | 18 | 32 ± 15 | ||||
TT | 42 | 25 ± 11 | 2 | 23 ± 13 | ||||
1542G>C | ||||||||
GG | 121 | 46 ± 18 | <.001 | 0.22 | 63 | 45 ± 16 | .59 | 0.002 |
GC | 155 | 33 ± 11 | 50 | 45 ± 17 | ||||
CC | 45 | 24 ± 8 | 11 | 42 ± 23 |
Genotype . | White . | Black . | ||||||
---|---|---|---|---|---|---|---|---|
n . | Warfarin dose (mg/wk) . | P . | R2 . | n . | Warfarin dose (mg/wk) . | P . | R2 . | |
−1639G>A | ||||||||
GG | 124 | 46 ± 17 | <.001 | 0.28 | 105 | 47 ± 17 | <.001 | 0.13 |
GA | 156 | 33 ± 11 | 18 | 33 ± 15 | ||||
AA | 41 | 23 ± 7 | 2 | 23 ± 13 | ||||
1173C>T | ||||||||
CC | 123 | 45 ± 17 | <.001 | 0.25 | 104 | 47 ± 17 | <.001 | 0.14 |
CT | 152 | 33 ± 11 | 18 | 32 ± 15 | ||||
TT | 42 | 25 ± 11 | 2 | 23 ± 13 | ||||
1542G>C | ||||||||
GG | 121 | 46 ± 18 | <.001 | 0.22 | 63 | 45 ± 16 | .59 | 0.002 |
GC | 155 | 33 ± 11 | 50 | 45 ± 17 | ||||
CC | 45 | 24 ± 8 | 11 | 42 ± 23 |