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Table 2 Pearson correlations between the generic multi-attribute utility instruments and the FIQR scores

From: “Fibromyalgia and quality of life: mapping the revised fibromyalgia impact questionnaire to the preference-based instruments”

  EQ-5D-5 L utility n = 191 AQoL-8D utility n = 177 15D utility n = 192 SF-6D utility n = 141
FIQR function domain –.668** −.523** −.592** −.599**
FIQR overall impact domain −.653** −.598** −.593** −.605**
FIQR symptom domain −.686** −.668** −.673** −.595**
FIQR Score −.749** −.682** −.704** −.684**
  1. **All correlations were statistically significant, P < 0.0001