, Volume 9, Issue 6, pp 591-601

Comparison of the Health Utilities Index Mark 3 (HUI3) and the EuroQol EQ-5D in patients treated for intermittent claudication

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Abstract

The Health Utilities Index Mark 3 (HUI3) and the EuroQol EQ-5D (EQ-5D) were compared to each other and to other quality-of-life (QoL) measures in patients treated for intermittent claudication. A total of 88 patients with intermittent claudication completed the HUI3, EQ-5D, RAND 36-Item Health Survey 1.0, time tradeoff, standard gamble, and rating scale before revascularization and at follow-up at 1 month, 3 months, and 1 year. The effect of treatment on the HUI3 and EQ-5D dimensions and the overall scores, calculated using published formulas based on societal preferences, were compared. After 1 month of treatment, the majority of patients showed improvement on the HUI3 dimensions ambulation and pain and on the EQ-5D dimensions mobility, usual activities, and pain/discomfort. The mean HUI3 score was significantly higher than the mean EQ-5D score (0.66 and 0.57, respectively, p < 0.01) before treatment. After treatment, however, they were not significantly different from each other (e.g., 12 months after treatment: 0.77 and 0.75, respectively (p > 0.05). After 1 month, the scores did not change significantly over time (p > 0.05). The intraclass correlation coefficient between changes over time in the HUI3 and EQ-5D scores was 0.30, with other health-related quality-of-life (HRQoL) measures the correlations for HUI3 and EQ-5D were very similar. In conclusion, both the HUI3 and EQ-5D demonstrated an effect of treatment in patients with intermittent claudication; in addition, they showed similar relationships with other (HRQoL) measures. To demonstrate the effect of revascularization in patients with intermittent claudication, however, clinicians and researchers should be aware of the differences in the mean HUI3 and EQ-5D scores.

This revised version was published online in June 2006 with corrections to the Cover Date.