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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Magn Reson Med. 2011 Jan;65(1):128–137. doi: 10.1002/mrm.22611

Figure 4.

Figure 4

Reproducibility of CBF was estimated by repeating ASL measurement in 13 volunteers. For hippocampal CBF and the “white matter” calibration (see Methods for details), the absolute difference between the two measurements averaged 3.6 ml/(100g min) (5.4%) and their intra-class correlation was 0.90. The equation of the regression (dotted line) relating the second CBF2 and the first CBF1 estimate of hippocampal flow rate was: CBF2 = 1.03*CBF1 − 3.13.