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Medical Outcomes Study Short-Form 36 (SF-36), Multi-Dimensional Fatigue Inventory (MFI) and Symptom Inventory Scores according to current illness classified by standardized clinically empirical criteria in 164 participants with no exclusionary medical or psychiatric conditions. |
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| Scale |
CFS |
ISF |
Not Ill |
|
|
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| SF-36 |
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| Physical function+ |
53.3 ± 21.5 * |
77.5 ± 18.9 |
89.7 ± 13.2 |
| Role physical+ |
18.0 ± 28.5 * |
60.7 ± 37.2 |
88.8 ± 25.0 |
| Bodily pain |
41.7 ± 15.7 * |
59.7 ± 20.0 |
77.9 ± 16.0 |
| General health |
51.2 ± 20.4 * |
70.1 ± 13.6 |
85.2 ± 13.3 |
| Vitality |
18.6 ± 12.5 * |
37.3 ± 18.5 |
72.3 ± 13.0 |
| Social function+ |
50.0 ± 22.7 * |
74.2 ± 19.6 |
94.8 ± 10.6 |
| Role emotional+ |
55.8 ± 42.2 * |
76.5 ± 33.5 |
96.1 ± 13.8 |
| Mental health |
66.4 ± 18.5 * |
74.6 ± 14.0 |
87.5 ± 9.0 |
| MFI |
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| General fatigue+ |
18.5 ± 2.1 * |
14.9 ± 2.7 |
8.0 ± 2.6 |
| Physical fatigue |
14.1 ± 3.2 * |
11.0 ± 3.2 |
6.8 ± 2.2 |
| Mental fatigue |
14.1 ± 4.2 * |
10.0 ± 4.3 |
6.6 ± 2.6 |
| Reduced motivation |
12.2 ± 3.8 * |
10.1 ± 3.3 |
6.1 ± 2.0 |
| Reduced activity+ |
14.7 ± 3.1 * |
11.5 ± 4.0 |
5.6 ± 1.6 |
| Symptom Inventory+ |
47.3 ± 22.0 * |
18.6 ± 11.9 |
6.1 ± 7.1 |
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+Indicate subscales used in validated clinically empirical CFS case definition Scores are mean ± standard deviation Bolded figures indicate that specific group scores are significantly different (p < 0.05) from non-fatigued scores. * indicates that CFS scores are significantly different from ISF scores Note: Low scores in the SF-36 indicate more severe conditions, whereas in the MFI higher scores indicate more severe conditions. | |||
Reeves et al. BMC Medicine 2005 3:19 doi:10.1186/1741-7015-3-19 |
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