Demographics and fibromyalgia scores (per the 2010 Modified American College of Rheumatology Criteria questionnaire) for the fibromyalgia (FM) and nonfibromyalgia (non-FM) groups, determined by the rheumatologist’s clinical assessment as the gold standard.
| FM Group, n = 174 | Non-FM Group, n = 277 | |
|---|---|---|
| Age, mean yrs ± SD (range) | 47.4 ± 10.6 (22–69) | 44.9 ± 14.9 (18–85) |
| Sex (% females) | 93.0 | 58.8 |
| FM score, mean ± SD (range) | 17.7 ± 4.0 (11–28) | 10.6 ± 2.7 (5–21) |