Table 2.

Final estimates of parameters in the PT-response models

Parameter*DescriptionEstimateRSE, %95% CI
E0ISSE Log odds of the placebo response of ischemic stroke/SE −2.93 5.49 −3.24, −2.61 
E0MB Log odds of the placebo response of major bleeding −4.17 1.45 −4.29, −4.05 
EwISSE Log odds ratio of dose-adjusted warfarin for ischemic stroke/SE compared with that of the placebo control −1.49 10.3 −1.79, −1.19 
EwMB Log odds ratio of dose-adjusted warfarin for major bleeding compared with that of the placebo control 0.796 9.22 0.653, 0.940 
θ1 Exponent factor characterizing the slope of the double exponential model for ischemic stroke/SE 6.96 15.4 4.87, 9.06 
θ2 Exponent factor characterizing the steepness of the double exponential model for ischemic stroke/SE −14.1 8.43 −16.4, −11.8 
θ3 Change in log odds of major bleeding for every 1-unit change in log PT ratio 1.92 8.32 1.61, 2.23 
ω2 Variance of the intertrial variability in the placebo response of ischemic stroke/SE 0.00529 36.0 0.00155, 0.00902 
Parameter*DescriptionEstimateRSE, %95% CI
E0ISSE Log odds of the placebo response of ischemic stroke/SE −2.93 5.49 −3.24, −2.61 
E0MB Log odds of the placebo response of major bleeding −4.17 1.45 −4.29, −4.05 
EwISSE Log odds ratio of dose-adjusted warfarin for ischemic stroke/SE compared with that of the placebo control −1.49 10.3 −1.79, −1.19 
EwMB Log odds ratio of dose-adjusted warfarin for major bleeding compared with that of the placebo control 0.796 9.22 0.653, 0.940 
θ1 Exponent factor characterizing the slope of the double exponential model for ischemic stroke/SE 6.96 15.4 4.87, 9.06 
θ2 Exponent factor characterizing the steepness of the double exponential model for ischemic stroke/SE −14.1 8.43 −16.4, −11.8 
θ3 Change in log odds of major bleeding for every 1-unit change in log PT ratio 1.92 8.32 1.61, 2.23 
ω2 Variance of the intertrial variability in the placebo response of ischemic stroke/SE 0.00529 36.0 0.00155, 0.00902 

ISSE, ischemic stroke/systemic embolism; MB, major bleeding; RSE, relative standard error.

*

Refer to equations 1 and 2 in the text.

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