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. Author manuscript; available in PMC: 2016 Oct 28.
Published in final edited form as: Clin Imaging. 2014 Apr 28;38(5):648–654. doi: 10.1016/j.clinimag.2014.04.008

Table 2.

FA and mean ADC from DTI acquired from normal subjects using 32, 15, and 6 gradient directions

32 directions (n=22)
15 directions (n=20)
6 directions (n=8)
FA ADC FA ADC FA ADC
Mean 0.559 0.638 0.590 0.698 0.659 0.867
Standard deviation 0.071 0.206 0.080 0.223 0.109 0.325
Range 0.436–0.645 0.455–0.781 0.450–0.748 0.425–0.802 0.509–0.784 0.465–0.919

ADC (10−3 mm2/s).