From: Heterogeneity of psychophysiological stress responses in fibromyalgia syndrome patients
 | FMS (n = 90) (mean ± SD (range)) | HC (n = 30) (mean ± SD (range)) |
---|---|---|
Age (years) | 48.17 ± 10.32 (21–68) | 48.22 ± 9.02 (22–65) |
Duration of pain (years) | 9.28 ± 9.23 (0.5–45) |  |
Painful regions | 6.80 ± 2.05 (3–12) |  |
Number of tender points | 16.09 ± 3.33 (14–18) | 2 ± 0.33 (0–4) |
Mean tender points pain severitya | 5.89 ± 2.27 (2–10) | 3.13 ± 1.06 (0–3) |
Use of antidepressive medications (number) | 0.36 ± 0.52 (0–3) | 0.21 ± 0.03 (0–2) |
Occupational status | N (%) | N (%) |
   Working | 39 (43.3) | 17 (56.8) |
   Unemployed | 20 (22.2) | 9 (30.0) |
   Workers' compensation | 24 (26.7) | 0 (0.0) |
   Retired | 6 (6.7) | 2 (6.6) |
   Student | 1 (1.1) | 2 (6.6) |