Table 1: Summary of studies reporting risk of cerebrovascular ischemic events comparing patients with and without intraplaque hemorrhage.

Source Symptomatic? Stenosis Hazard ratio Takaya et al. 2006 [10] 154 No 50–79% 5.2 0.005 Altaf et al. 2007 [11] 66 Yes 60–99% 4.8 <0.05 Altaf et al. 2008 [12] 64 Yes 30–69% 9.8 0.03 Singh et al. 2009 [13] 98 No 50–70% 3.59 <0.001 Kurosaki et al. 2011 [14] 62 Yes 70–99% NR 0.051 Sadat et al. 2010 [15] 61 Yes NR 5.85 0.02

NR: Not reported.