Variablesa Partial regression coefficient SE R2 after entry p-value Age -0.00546 0.002 0.0564 0.011 D1 0.0671 0.029 0.4844 0.024 D2 -0.0478 0.048 0.5288 0.325 D3 0.156 0.041 0.5922 0.000 LN_INR4 -0.323 0.053 0.6757 0.000 CYP2C9 -0.146 0.032 0.7015 0.000 VKAA -0.147 0.041 0.7053 0.000 VKGA -0.333 0.065 0.7503 0.000 Admixture Index 2 -0.0593 0.052 0.7629 0.257 3 -0.111 0.055 0.047 4 -0.108 0.049 0.031 Amiodarone -0.132 0.108 0.7659 0.223 Constant value of the model equation is 1.565 (SE: 0.196). a Variables are listed in the order they were incorporated into the model using stepwise regression analysis.

Table 5: Summary of attributes for equation 2 of the pharmacogenetic warfarin Md prediction in Puerto Ricans using the derivation cohort from the VACHS.