Variablesa Partial regression coefficient SE R2 after entry p-value Age -0.0106 0.003 0.0564 0.003 BSA 0.131 0.158 0.0658 0.406 CYP2C9 -0.192 0.048 0.1421 0.000 VKORC1AA -0.227 0.067 0.1538 0.001 VKORC1GA -0.635 0.092 0.4088 0.000 Admixture Index 2 -0.0780 0.082   0.4210 0.345 3 -0.116 0.088 0.192 4 -0.124 0.079 0.119 Target INR 0.215 0.126 0.4317 0.093 Statins -0.0491 0.060 0.4398 0.415 Amiodarone -0.237 0.171 0.4514 0.168 Smoke -0.118 0.130 0.4568 0.368 Diabetes 0.137 0.066 0.4741 0.040 Vitamin K 0.0943 0.090 0.4809 0.297 Constant value of the model equation is 2.189 (SE: 0.457). a Variables are listed in the order they were incorporated into the model using stepwise regression analysis.

Table 4: Summary of Attributes for Equation 1 of the Pharmacogenetic Warfarin Dosing Ini