Table 3.
Metabolite | HADS-anx | HADS-dep | PVAS | Sphigm | MMSE | Catastroph | FIQ |
---|---|---|---|---|---|---|---|
Posterior cingulate gyrus Glx | |||||||
(Coefficient) | 0.43 | 0.44 | 0.37 | -0.45 | 0.39 | 0.40 | 0.45 |
(P value) | 0.057 | 0.047a | 0.107 | -0.047a | 0.089 | 0.081 | 0.043a |
Posterior cingulate gyrus Glx/Cr ratio | |||||||
(Coefficient) | 0.42 | 0.47 | 0.39 | -0.50 | 0.36 | 0.40 | 0.55 |
(P value) | 0.062 | 0.034a | 0.08 | -0.024a | 0.117 | 0.077 | 0.011a |
aP < 0.05.
Catastroph, Pain catastrophization scale; FIQ, Fibromyalgia Impact Questionnaire; Glx, glutamate+glutamine; Glx/Cr, glutamate+glutamine/creatine ratio; HADS-Anx, Hospital Anxiety Depression Scale, subscale anxiety; HADS-Dep, Hospital Anxiety Depression Scale, subscale depression; MMSE, Mini Mental State Examination; PVAS, Pain Visual Analogue Scale; Sphigm, pain threshold assessed by sphygmomanometer (the pressure that is needed to evoke pain).