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Medical Decision Making
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Health State Utilities in Gastroesophageal Reflux Disease Patients with Heartburn: A Study in Germany and Sweden

Bernt Kartman, MSc

AstraZeneca R&D Molndal, S-431 83 Molndal, Sweden

Gudrun Gatz, PhD

Magnus Johannesson, PhD

The objectives of this study were to assess health state utilities in patients with gastroesophageal reflux disease with heartburn and to analyze if severity and annual frequency of heartburn can predict utilities. Atotal of 1011 patients in Germany and Sweden participated in telephone interviews, where utilities were assessed using the rating scale (RS), EQ-5D, time trade-off (TTO) and standard gamble (SG) instruments. The average RS, EQ-5D, TTO, and SG utilities were 0.69, 0.70, 0.88, and 0.89, respectively. Linear regression analyses showed that the EQ-5D and RS utilities were negativelyand significantly related to the severity and frequency of heartburn. The EQ-5D and RS results indicate that patients with heartburn assign their health states substantial disutility and that it is feasible to estimate regression equations to predict utilities from heartburn-specific variables. In the TTO and SGanalyses, the impact of heartburnwas in the expected direction but smaller and in general not significant.

Key Words: gastroesophageal reflux disease • heartburn • health state utilities • EQ-5D • rating scale • time trade-off • standard

Medical Decision Making, Vol. 24, No. 1, 40-52 (2004)
DOI: 10.1177/027298X03261563
Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Digg Digg   Add to Reddit Reddit   Add to Technorati Technorati    What's this?