Table 1.
Psychological and blood-test variables in controls and patients with FM
| Variables | Healthy group (mean ± SD) |
FM group (mean ± SD) |
P Value |
|---|---|---|---|
| Psychological variables | |||
| PVAS | 16.50 ± 5.79 | 63.0 ± 17.02 | < 0.001 |
| Sphigmo | 170.50 ± 7.24 | 107.0 ± 25.84 | < 0.001 |
| MMSE | 34.90 ± 0.31 | 30.60 ± 3.37 | < 0.001 |
| Catastroph | 4.90 ± 2.02 | 27.0 ± 9.98 | < 0.001 |
| FIQ | 17.50 ± 4.85 | 70.20 ± 10.50 | < 0.001 |
| HADS-Anx | 0.70 ± 0.67 | 7.40 ± 0.69 | < 0.001 |
| HADS-Dep | 0.60 ± 0.51 | 6.90 ± 0.87 | < 0.001 |
| Blood-test variables | |||
| Serotonin | 273.50 ± 10.42 | 297.56 ± 249.70 | 0.449 |
| GDH | 47.10 ± 2.23 | 48.33 ± 23.51 | 0.568 |
| Ammonium | 17.40 ± 1.34 | 28.32 ± 9.26 | < 0.001 |
All calculations were performed by using the Mann-Whitney U test.
Catastroph, Pain catastrophization scale; FIQ, Fibromyalgia Impact Questionnaire; GDH, glutamate dehydrogenase; 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; Sphigmo, pain assessed by sphygmomanometer.