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IWPC Warfarin Dose Calculation Formula

Age
years
Height
cm
Weight
kg
Race
Please select
Race
Asian
Black or African American
White or Caucasian
Unknown or Mixed
VKORC1 Gene
Please select
VKORC1 Gene
A/A
A/G
G/G
Unknown
CYP2C9 Gene
Please select
CYP2C9 Gene
*1/*1
*1/*2
*1/*3
*2/*2
*2/*3
*3/*3
Unknown
Warfarin Dose:
mg/week

Related Formulas

International Normalized Ratio (INR)

References

Research Paper 1. Klein TE, Altman RB, ErikssonN, et al. Estimation of the warfarin dose with clinical and pharmacogenetic data[J]. N Engl J Med, 2009, 360 Research Paper 1. Klein TE, Altman RB, ErikssonN, et al. Estimation of the warfarin dose with clinical and pharmacogenetic data[J]. N Engl J Med, 2009, 360(8):753-764. DOI: 10.1056/NEJMoa0809329. Research Paper 2. Chinese Society of Cardiology, Chinese Society of Geriatrics. Chinese expert consensus on warfarin anticoagulation therapy[J]. Chinese Journal of Internal Medicine, 2013, 52(1):76-82. DOI: 10.3760/cma.j.issn.0578-1426.2013.01.027. Research Paper 3. Nianxin Jiang, Junwei Ge, Yuqiong Xian, et al. Establishment and evaluation of a warfarin dosing formula based on CYP2C9 and VKORC1 genotypes, age, and height in atrial fibrillation patients[J]. Shandong Medical Journal, 2016, 56(11):4.
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