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Baseline Data of Fibromyalgia Patients and Two Age/Sex Matched Control Groups |
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| Fibromyalgia |
Rheumatoid arthritis |
Healthy controls |
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| (n = 20) |
(n = 20) |
(n = 20) |
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| Age (mean ± SD) |
43.0 ± 15.2 |
45.4 ± 13.1 |
42.1 ± 14.8 |
| Gender (F/M) |
(18/2) |
(18/2) |
(18/2) |
| Total fibromyalgia points, (mean ± SD) |
16.8 ± 1.9* |
1.3 ± 1.7 |
0.7 ± 1.5 |
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| VAS score, (mean ± SD) |
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| Pain |
6.5 ± 2.5** |
4.3 ± 2.5 |
0 ± 0 |
| Fatigue |
7.2 ± 2.4* |
2.6 ± 2.5 |
0.5 ± 1.3 |
| Sleep disturbances |
5.9 ± 2.6* |
2.0 ± 2.5 |
0.2 ± 1.1 |
| Morning stiffness |
4.8 ± 3.7** |
2.4 ± 2.6 |
0.2 ± 0.7 |
| Disability |
7.1 ± 2.2* |
3.1 ± 3.2 |
0.2 ± 0.6 |
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| Symptoms, % of patients (95% confidence interval) |
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| Anxiety |
90 (68.3–98.8)* |
45 (23.0–68.5) |
40(19.1–63.9) |
| Headache |
90 (68.3–98.8)* |
35(15.4–59.2) |
25(8.7–49.1) |
| Weakness |
90 (68.3–98.8)* |
45 (23.0–68.5) |
10(1.2–31.7) |
| Forgetfulnes |
85(62.1–96.8)* |
50 (27.2–72.8) |
15 (3.2–37.9) |
| Paresthesias |
85(62.1–96.8)* |
35(15.4–59.2) |
30(11.9–54.3) |
| Irritable bowel |
65 (40.8–84.6)* |
10(1.2–31.7) |
20 (5.7–43.7) |
| Sicca syndrome |
53 (28.9–75.5)** |
45 (23.0–68.5) |
10(1.2–31.7) |
| Sore throat |
45 (23.0–68.5)** |
25(8.7–49.1) |
5(0.1–24.9) |
| Acute onset |
40(19.1–63.9)* |
5 (0.1–24.9) |
0(0–16.8) |
| Cold hands |
40(19.1–63.9)** |
15(3.2–37.9) |
0(0–16.8) |
| Low grade fever |
20 (5.7–43.7)** |
0(0–16.8) |
0(0–16.8) |
| Lymph gland enlargement |
5 (0.1–24.9) |
5 (0.1–24.9) |
0(0–16.8) |
| VAS = 10 cm visual analog scale |
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| *=p < 0.05 vs both control groups |
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| ** = p < 0.05 vs healthy controls only |
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Martinez-Lavin et al. BMC Musculoskeletal Disorders 2002 3:2 doi:10.1186/1471-2474-3-2 |
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