Figure 3From: Treating patients with fibromyalgia in primary care settings under routine medical practice: a claim database cost and burden of illness studyAnnual mean costs of fibromyalgia patients according to severity of pain as assessed by the Brief Pain Inventory (BPI). The range of the BPI is from 0 to 10. The three levels of pain severity are mild (BPI <4; n = 9), moderate (BPI ≥ 4 to <7; n = 76), and severe (BPI ≥ 7; n = 115). Health care costs are split into components.Back to article page