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Figure 3 Sensitivity analysis of marginal non-inferiority for Stroke Prevention Using Oral Thrombin Inhibitor in Atrial Fibrillation (SPORTIF) trial. Data are shown for absolute difference (left) and risk ratio (right). The one-sided p values for non-inferiority for the three margins shown in Figure 2 for SPORTIF V (2%, 1%, and 0.68%) were <0.001, 0.034, and 0.225, respectively. Non-inferiority is supported if the one-sided p  0.025 (represented by the dashed line) (9).
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