Table 3.
Mean age and morphometric characteristics in FM subjects and age-matched healthy controlsa
| FM+AD (N=29) | FM−AD (N=29) | HC (N=29) | p value | |
|---|---|---|---|---|
| Age | 41.7 ± 3.8 | 42.6 ± 3.7 | 42.2 ± 3.8 | .94 (NS) |
| TIV (ml) | 1531 ± 53 | 1556 ± 64 | 1521 ± 66 | .70 (NS) |
| Global GMV (ml) | 617 ± 20 | 637 ± 21 | 635 ± 20 | .30 (NS) |
| Duration of pain (yrs) | 12.0 ± 3.5 | 13.6 ± 2.9 | – | .31 (NS) |
a
All values are presented as 95% confidence intervals. Abbreviations: FM+AD = fibromyalgia subjects with affective disorder; FM−AD = fibromyalgia subjects without affective disorder; HC = healthy controls; NS = not significant; TIV = total intracranial volume; GMV = gray matter volume.