Months (range 18 - 68) was performed. During this period, 10 cardiovascular events (11.8 ) were reported: one unstable angina (1.2 ), seven strokes (8.2 ) and two cardiovascular deaths (2.4 ) ?Table 5. No events were observed in patients with zero CS (0 vs. 19.2 , p = 0.007) or without atherosclerotic plaques (0 vs. 17.5 , p = 0.018), both presenting a negative predictive value of 100 . Seven ev