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. Author manuscript; available in PMC: 2010 Apr 16.
Published in final edited form as: AJNR Am J Neuroradiol. 2007 Sep;28(8):1455–1461. doi: 10.3174/ajnr.A0586

Table 4.

Comparison of mean metabolite levels within abnormal perfusion and T2h regions from voxels across all patients of each grade

Choline Creatine
Region Grade III Grade IV Grade III Grade IV
aPH 16.9 ± 9.6 16.5 ± 12.1* 10.7 ± 5.8 7.6 ± 5.9**
aRec 17.9 ± 11.2 16.0 ± 9.4 8.8 ± 5.0 8.2 ± 4.8
aPH+aRec 20.6 ± 12.8 19.0 ± 11.7 11.2 ± 6.9 8.4 ± 5.4*
T2h 18.9 ± 10.7 13.6 ± 8.7 11.0 ± 5.6 8.5 ± 5.5

Note:—aPh indicates the region of abnormal peak height with normal recovery; aRec, the region of abnormal recovery with normal peak height.

*

P < .02.

**

P < .001.