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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: J Clin Epidemiol. 2008 Mar 21;61(7):705–713. doi: 10.1016/j.jclinepi.2007.08.016

Figure. Mean differences of fatigue score for seven measurement tools in relation to pairwise contrasts for 61 patients with rheumatoid arthritis.

Figure

Legend. The results are presented using normalized fatigue scores from 0 to 100 with mean differences of fatigue score and 95% confidence interval for all seven contrast categories, and regression lines. The plotted lines represent the regression of differences against integer scores (i.e., inverse regression).

Abbreviations. FSS: Fatigue Severity Scale, VT: Vitality scale of the MOS-SF36, MAF: Multidimensional Assessment of Fatigue, MFI: Multidimensional Fatigue Inventory, FACIT–F: Functional Assessment of Chronic Illness Therapy–Fatigue scale, CFS: Chalder Fatigue Scale, RS: global assessment of fatigue using a 10-point numerical Rating Scale.