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Demographic characteristics, clinical characteristics and antipolymer antibody (APA) levels of 285 fibromyalgia patients. |
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| All fibromyalgia patients |
Patients with APA >30 U |
Patients with APA <30 U |
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| Gender (females/males) |
270/15 |
57/3 |
213/12 |
| Age (years) (median (range)) |
54 (19–82) |
46 (19–74) |
56 (20–82) |
| Tender points |
14.29 ± 0.29 |
13.88 ± 0.83 |
14.30 ± 0.34 |
| Tender Point Index |
2.17 ± 0.04 |
2.17 ± 0.12 |
2.19 ± 0.04 |
| Onset disease |
9.19 ± 0.60 |
8.77 ± 1.19 |
10.11 ± 0.67 |
| Fibromyalgia Impact Questionnaire |
58.21 ± 1.22 |
55.89 ± 2.59 |
58.46 ± 1.39 |
| Tiredness |
6.96 ± 0.17 |
7.16 ± 0.41 |
6.88 ± 0.19 |
| Pain |
6.80 ± 0.17 |
6.31 ± 0.42 |
6.87 ± 0.18 |
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Results expressed as the mean ± standard error of the mean. The Tender Point Index was calculated as the sum of each positive tender point score divided by the total number of tender points. | |||
Bazzichi et al. Arthritis Research & Therapy 2007 9:R86 doi:10.1186/ar2285 |
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