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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: N Engl J Med. 2010 Aug 19;363(8):743–754. doi: 10.1056/NEJMoa0912611

Figure 3. Fibromyalgia Impact Questionnaire (FIQ) Scores during the 12-Week Intervention Period, According to Treatment Group.

Figure 3

FIQ scores, measured weekly over the 12-week intervention period, are shown for the tai chi group and the control group. The FIQ scores range from 0 to 100, with higher scores indicating more severe symptoms and lower scores indicating improvement in outcomes. The values shown are unadjusted means; the data points are slightly offset for clarity. I bars indicate 95% confidence intervals.