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. 2014 Apr 7;9(4):e94377. doi: 10.1371/journal.pone.0094377

Figure 2. Kaplan-Meier estimates of 2-year stroke-free rates according to treatment groups (surgery-plus-RT versus surgery-alone).

Figure 2

Panel 2A, ischemic-stroke-free rates: 92.2% versus 98.1%, P = 0.019; and Panel 2B, all-stroke-free rates, 92.2% versus 97.6%, P = 0.047.