Table 5 |
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|
Comparison of Fibromyalgia Impact Questionnaire and Revised Fibromyalgia Impact Questionnaire weighting on actual and achieved domain scores |
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|
FIQ |
FIQR |
Change |
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|
|
|
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|
Given weight |
Achieved weight |
Given weight |
Achieved weight |
||
|
|
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|
Function |
10% |
4.30 (7%) |
30% |
15.61 (28%) |
+11.31 |
|
Overall impact |
20% |
11.42 (19%) |
20% |
10.97 (19%) |
-0.45 |
|
Symptoms |
70% |
44.85 (74%) |
50% |
30.00 (53%) |
-14.85 |
|
Total |
60.57 (100%) |
56.58 (100%) |
-3.99 |
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|
|
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|
This analysis shows that the weighting of the Revised Fibromyalgia Impact Questionnaire (FIQR) closely approximates the given weight. The 'imbalance' observed in the Fibromyalgia Impact Questionnaire (FIQ) between function and symptom (7% and 74%) has been markedly improved in the FIQR (28% and 53%). |
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|
Bennett et al. Arthritis Research & Therapy 2009 11:R120 doi:10.1186/ar2783 |
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