Research Article
Frequencies of VKORC1-1639G>A and rs397509427 in Patients on Warfarin and Healthy Syrian Subjects
Table 4
The frequency of -1639A allele in different populations.
| Country (reference) | No. of individuals | Frequency of the -1639A | Patients | Healthy |
| Syria (our study) | 94 | 44 | 47.8 | Japan [16] | 125 | 114 | 89.2% | 93.9% | South Africa [17] | 89 | — | 12% | Germany [18] | 91 | — | 39% | Australia [19] | 5408 | — | 40.3% | Egypt [20] | 100 | — | 44% | Turkey [21] | 200 | — | 44% | Morocco [22] | 217ǂ | — | 46.1% | Palestine/Gaza [23] | 101 | — | 46.5% | Italy [24] | 264 | — | 49.8% | China [25] | 278 | — | 91.4% | France [26] | — | 222 | 42% | Saudi Arabia [27] | — | 131 | 42.7% | United Arab Emirates [28] | — | 117 | 49.6% | Lebanon [29] | — | 161 | 52.8% | Iran [30] | — | 126 | 55.6% |
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ǂPatients are on acenocoumarol (another coumarin anticoagulant).
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