Huhtakangas J, Tetri S, Juvela S, Saloheimo P, Bode MK, Hillbom M. Effect of increased warfarin use on warfarin-related cerebral hemor- rhage: a longitudinal population-based study. Stroke. 2011;42:2431 2435. doi: 10.1161/STROKEAHA.111.615260. 68. Nilsson OG, Lindgren A, St hl N, Brandt L, S veland H. Incidence of intracerebral and subarachnoid haemorrhage in southern Sweden. J Neurol Neurosurg Psychiatry. 2000;69:601 607. 69. R dberg JA, Olsson JE, R dberg CT. Prognostic parameters in sponta- neous intracerebral hematomas with special reference to anticoagulant treatment. Stroke. 1991;22:571 576. doi: 10.1161/01.STR.22.5.571. 70. Flaherty ML, Kissela B, Woo D, Kleindorfer D, Alwell K, Sekar P, Moomaw CJ, Haverbusch M, Broderick JP. The increasing incidence of anticoagulant-associated intracerebral hemorrhage. Neurology. 2007;68:116 121. doi: 10.1212/01.wnl.0000250340.05202.8b. 71. Connolly SJ, Ezekowitz MD, Yusuf S, Eikelboom J, Oldgren J, Parekh A, Pogue J, Reilly PA, Themeles E, Varrone J, Wang S, Alings M, Xavier D, Zhu J, Diaz R, Lewis BS, Darius H, Diener HC, Joyner CD, Wallentin L; RE-LY Steering Committee and Investigators. Dabigatran versus war- farin in patients with atrial fibrillation [published correction appears in N Engl J Med. 2010;363:1877]. N Engl J Med. 2009;361:1139 1151. doi: 10.1056/NEJMoa0905561. 72. Patel MR, Mahaffey KW, Garg J, Pan G, Singer DE, Hacke W, Breithardt G, Halperin JL, Hankey GJ, Piccini JP, Becker RC, Nessel CC, Paolini JF, Berkowitz SD, Fox KA, Califf RM; ROCKET AF Investigators. Rivaroxaban versus warfarin in nonvalvular atrial fibrillation. N Engl J Med. 2011;365:883 891. doi: 10.1056/NEJMoa1009638. 73. 