Table 7

Pearson correlations of major components of the Fibromyalgia Impact Questionnaire with those of the Revised Fibromyalgia Impact Questionnaire

FIQ function

FIQ overall

FIQ pain

FIQ symptoms

FIQR function

0.69

0.62

0.59

0.65

FIQR overall

0.56

0.69

0.60

0.75

FIQR pain

0.46

0.55

0.75

0.66

FIQR symptoms

0.54

0.65

0.66

0.88

All correlations were significant at P < 0.001. FIQ, Fibromyalgia Impact Questionnaire; FIQR, Revised Fibromyalgia Impact Questionnaire.

Bennett et al. Arthritis Research & Therapy 2009 11:R120   doi:10.1186/ar2783