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FIG 2. Regression statistics between the CT-determined CBF-, CBV-, and MTT-based lesion sizes and the 48-hour outcome lesion sizes, as measured at ex vivo MR imaging. Each point represents a single measurement by an observer. Scatter represents inter- and intra-observer variations. These variations were not statistically significant, as determined by using ANOVA. Data from animal 2 were not included in this particular analysis because the occluding balloon leaked, with resultant early reperfusion and subsequent reduction in the size of the infarcted region (Fig 6).
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