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Figure 1 | Arthritis Research & Therapy

Figure 1

From: Treating patients with fibromyalgia in primary care settings under routine medical practice: a claim database cost and burden of illness study

Figure 1

Ability of the impact of the disease (FIQ) to explain annual mean costs. The range of the FIQ is from 0 to 100. Explanatory ability assessed by linear regression models of decile values of the FIQ and corresponding costs at the decile interval of the instrument are shown. Cost values are expressed as inter-decile interval mean ± 95% confidence interval. FIQ, Fibromyalgia Impact Questionnaire.

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