To identify the frequency and relative importance of symptoms experienced by adults with fibromyalgia (FM) and determine factors associated with a higher disease burden.

中文翻译：

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患者报告的纤维肌痛症状的影响 (PRISM-FM)。

确定成人纤维肌痛 (FM) 症状的频率和相对重要性，并确定与较高疾病负担相关的因素。