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Fig 2. Scatter chart of %Signal intensity determined by ASL-PI and the %Vessel determined by histopathologic examination with regression lines in 35 tumors of 6 histopathologic types and 11 gliomas. Note the positive correlations between %Signal intensity and %Vessel in 35 cases ({x: %Signal intensity; y: %Vessel}, y = 9.71x + 1.49, r2 = 0.627; rs = 0.782, P < .00005) and in gliomas (y = 1.16x + 1.49, r2 = 0.514; rs = 0.773, P < .05).
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