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. Author manuscript; available in PMC: 2012 Jan 15.

Published in final edited form as: Drug Alcohol Depend. 2010 Aug 23;113(2-3):133–138. doi: 10.1016/j.drugalcdep.2010.07.015

Table 2.

	Control Subjects (n =24)	Short-term Abstinent (n =30)	Long-term Abstinent (n =17)
ACC-NAA/Cr	1.80 (0.17)^††	1.57 (0.17)	1.75 (0.29)^††
ACC-Cho/NAA	0.72 (0.11)^††	0.85 (0.11)	0.72 (0.13)^††
ACC-Cho/Cr	1.29 (0.21)	1.33 (0.18)	1.24 (0.22)
PVC-NAA/CR	2.05 (0.21)	1.99 (0.31)	2.18 (0.25)^††
PVC-Cho/NAA	0.32 (0.05)	0.34 (0.05)	0.29 (0.05)⁶
PVC-Cho/CR	0.66 (0.10)	0.67 (0.12)	0.63 (0.08)

^†

Significantly different from Short-term Abstinent and Distant Abstinent, p < .0001

^††

Significantly different from Short-term Abstinent, p < .01