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Figure 4 | Arthritis Research & Therapy

Figure 4

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

Figure 4

Ability of pain interference on patient's daily activities (BPI-I) to explain annual mean total costs. The range of the BPI-I is from 0 to 10. Explanatory ability assessed by linear regression models of level of interference on the BPI-I and corresponding costs of patients grouped by instrument intervals of pain interference are shown. Cost values are expressed as mean ± 95% confidence interval of subjects included in each interval. BPI-I, Brief Pain Inventory – Pain interference subscale.

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Arthritis Research & Therapy

ISSN: 1478-6362

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