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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: J Magn Reson Imaging. 2011 Apr;33(4):808–816. doi: 10.1002/jmri.22517

Table 2. HRMAS MRS metabolite concentrations (mmol/kg) in non-enhancing astrocytoma.

AS2
(mean +/- SD)		 AS3
(mean +/- SD)		 p
Alanine 0.5 +/- 0.5 0.7 +/- 0.4 0.42
Cre+PCre 3.5 +/- 1.5 4.3 +/- 2.2 0.28
fCho 0.2 +/- 0.2 0.3 +/- 0.2 0.31
Gln 1.7 +/- 1.7 2.1 +/- 1.6 0.61
Glu 2.1 +/- 1.0 3.0 +/- 1.9 0.22
GPC 1.7 +/- 0.9 2.0 +/- 0.9 0.39
mI 7.3 +/- 4.0 9.5 +/- 5.0 0.25
NAA 0.2 +/- 0.3 0.2 +/- 0.2 0.80
PC 0.3 +/- 0.2 0.6 +/- 0.3 <0.01*
PC:GPC 0.3 +/- 0.4 0.3 +/- 0.2 0.96
Tau 1.3 +/- 0.7 1.8 +/- 1.1 0.14
tCho 2.3 +/- 0.9 2.9 +/- 1.1 0.13
*

statistically significant at p ≤ 0.05