Document Classification

Section Type: RESULTS

Text: Patients in the device group demonstrated lower rates of both cardiovascular mortality (1. 0 events per 100 patient-years for the device group [17/463 patients, 3. 7 %] vs 2. 4 events per 100 patient-years with warfarin [22/244 patients, 9. 0 %] ; hazard ratio [HR], 0. 40 ; 95 % CI, 0. 21-0. 75 ; P =. 005) and all-cause mortality (3. 2 events per 100 patient-years for the device group [57/466 patients, 12. 3 %] vs 4. 8 events per 100 patient-years with warfarin [44/244 patients, 18. 0 %] ; HR, 0. 66 ; 95 % CI, 0. 45-0. 98 ; P =. 04).