Table 1 |
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|
Baseline characteristics of patients and healthy control subjects |
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| Patients |
Controls |
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|
|
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| Fibromyalgia |
Chronic fatigue syndrome |
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|
|
|
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| Variable |
(N = 68) |
(N = 62) |
(N = 46) |
|
|
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| Age (years) |
31.43 ± 7.81 |
32.55 ± 6.61 |
31.54 ± 6.86 |
| Disease duration (years) |
3.96 ± 4.23 |
4.28 ± 4.12 |
- |
| FIQ score |
59.23 ± 10.28 |
- |
12.83 ± 7.21 |
| Pain intensity (VAS) |
5.03 ± 1.18 |
4.49 ± 1.83 |
0.47 ± 0.880 |
| Tender point count |
13.18 ± 1.79 |
6.49 ± 3.51 |
3.49 ± 2.81 |
| Symptoms experienced [No. (%)] |
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| Morning stiffness |
42 (62) |
24 (39) |
3 (7) |
| Muscle spasm |
39 (57) |
15 (24) |
2 (4) |
| Fatigue |
48 (71) |
62 (100) |
4 (9) |
| Skinfold tenderness |
56 (82) |
29 (47) |
2 (4) |
| Sleep disturbance |
54 (79) |
27 (44) |
2 (4) |
| Cigarette smoking |
31 (46) |
30 (48) |
26 (57) |
| Menstrual cycle |
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| Age at menarche |
12.91 ± 0.28 |
13.02 ± 0.25 |
13.14 ± 0.21 |
| Cycle length (days) |
13.14 ± 0.21 |
28.87 ± 0.19 |
29.07 ± 0.27 |
| Days of menstrual flow |
4.82 ± 0.36 |
4.97 ± 0.28 |
4.89 ± 0.32 |
| Marital status [No. (%)] |
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| Married |
45 (66) |
39 (63) |
28 (61) |
| Single |
13 (20) |
14 (23 |
10 (23) |
| Divorced |
7 (12) |
6 (10) |
4 (9) |
| Other |
3 (2) |
3 (4) |
3 (7) |
| Highest educational level achieved [No. (%)] |
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| Elementary school |
31 (46) |
30 (48) |
20 (44) |
| Secondary school |
15 (22) |
13 (21) |
13 (28) |
| University/High school |
22 (32) |
19 (31) |
13 (28) |
| Employment status [No. (%)] |
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| Unemployed |
5 (7) |
5 (8) |
3 (7) |
| Employed |
7 (10) |
5 (8) |
7 (15) |
| Retired |
3 (4) |
4 (6) |
2 (4) |
| Homemaker |
39 (58) |
37 (60) |
24 (52) |
| Student |
11 (16) |
8 (13) |
7 (15) |
| Others |
3 (5) |
3 (5) |
3 (7) |
|
|
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|
Values are means ± standard deviation, except where indicated as number and percentage of the group. FIQ, Fibromyalgia Impact Questionnaire; VAS: Visual Analog Scale; -, not applicable. |
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|
Gur et al. Arthritis Res Ther 2004 6:R232 doi:10.1186/ar1163 |
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