In 2016 the criteria for fibromyalgia have been revised by authors from multiple institutions in the United States, Canada and Europe.
Parameters:
(1) widespread pain index (WPI), from 0 to 19
(2) symptom severity scale (SSS) from 0 to 12
fibromyalgia severity scale =
= (WPI) + (SSS)
Interpretation:
• minimum score: 0
• maximum score: 31
• The higher the score the more severe the fibromyalgia.
• Fibromyalgia is usually associated with a score >= 12.
• A decrease from a higher score to < 12 is associated with clinical improvement.
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Specialty: Surgery, orthopedic
