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Figure 4 | Arthritis Research & Therapy

Figure 4

From: Localized 1H-NMR spectroscopy in patients with fibromyalgia: a controlled study of changes in cerebral glutamate/glutamine, inositol, choline, and N-acetylaspartate

Figure 4

Scatterplot of the correlations between brain metabolites and psychological variables in patients with FM. FIQ, Fibromyalgia Impact Questionnaire; Glx, glutamate+glutamine; Glx-Cr, glutamate+glutamine/creatine; HADS-dep: Hospital Anxiety Depression Scale (depression subscale); Sphig, pain assessed with sphygmomanometer (the pressure that is needed to evoke pain). Blue circles represent patients with FM.

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