Table 4.
Clinical differences between groupsa
| Variable | Healthy controls | Fibromyalgia | Statistical significance |
|---|---|---|---|
| Mean number of concurrent medical problems (N = 17) (± SD) | 1 (± 1.2) | 8 (± 3.6) | 0.000 |
| Mean chair stands in 30 seconds (± SD) | 19.4 (± 4.9) | 13.0 (± 10.5) | 0.000 |
| Body mass index (± SD) | 26.3 (± 5.6) | 30.7 (± 5.8) | 0.004 |
| Anterior tibialis MTP present, % | 3.7% | 84.0% | 0.000 |
| Gastrocnemius MTP present, % | 7.6% | 76.0% | 0.000 |
| Mean number of pain areas marked on body mannequin (± SD) | 1.35 (± 2.46) | 16.40 (± 6.33) | 0.000 |
| Mean number of ACR tender points (± SD) | 1.56 (± 1.95) | 16.04 (± 2.11) | 0.000 |
| Mean total myalgia score (± SD) | 1.78 (± 2.42) | 35.32 (± 10.10) | 0.000 |
| Mean total FIQR score (± SD) | 5.00 (± 4.58) | 54.06 (± 17.75) | 0.000 |
| Mean pain score on FIQR (± SD) | 0.67 (± 0.83) | 5.88 (± 2.18) | 0.000 |
| Mean imbalance score on FIQR (± SD) | 0.22 (± 0.50) | 4.04 (± 2.87) | 0.000 |
aMTP: myofascial trigger point; ACR: American College of Rheumatology; FIQR: Fibromyalgia Impact Questionnaire-Revised.