Figure 3. Survival after detection of asymptomatic proximal DVT vs negative ultrasound: Comparison of survival with and without asymptomatic proximal DVT in (A) MAGELLAN, (B) PREVENT, (C) APEX.
APEX indicates Acute Medically Ill VTE Prevention With Extended Duration Betrixaban study; DVT, deep vein thrombosis; MAGELLAN, Multicenter, Randomized, Parallel Group Efficacy and Safety Study for the Prevention of Venous Thromboembolism in Hospitalized Acutely Ill Medical Patients Comparing Rivaroxaban With Enoxaparin study; PREVENT, Prevention of Recurrent Venous Thromboembolism; and VTE, venous thromboembolism. B, Modified from Vaitkus et al 6 with permission. Copyright ©2005 Georg Thieme Verlag KG. C, Modified from Kalayci et al 7 with permission. Copyright ©2018 Georg Thieme Verlag KG.