Document Classification

Section Type: RESULTS

Text: In the fish oil group, there were half as many thromboses (1. 71 vs 3. 41 per 1000 access-days ; IRR, 0. 50 [95 % CI, 0. 35 to 0. 72 ; P <. 001]) ; fewer corrective interventions (2. 89 vs 4. 92 per 1000 access-days ; IRR, 0. 59 [95 % CI, 0. 44 to 0. 78 ; P <. 001]) ; improved cardiovascular event-free survival (hazard ratio, 0. 43 [95 % CI, 0. 19 to 0. 96 ; P =. 04]) ; and lower mean systolic blood pressure (-3. 61 vs 4. 49 mm Hg ; difference, -8. 10 [95 % CI, -15. 4 to -0. 85] ; P =. 01).