AJNR -- Eastwood et al. 24 (9): 1869 Figure 2

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FIG 2. Scatterplot compares extents of CBF abnormality on single-slice CT perfusion scans with their corresponding extent of CBF abnormality on multislice MR perfusion images. Kendall ${tau}$ b correlation coefficient for comparison of extent of CT-CBF with extent of MR-CBF was 0.60 (P = .003).