Comparison of health state utility estimates from instrument-based and vignette-based methods: a case study in kidney disease

ObjectiveWe take advantage of a rare occurrence when two different studies report on the estimation of quality of life utilities for the same health states to assess convergence of the reported measures. Health state utilities are important inputs into health economic models that estimate the impact of new medical technologies using a common metric of health gain—the quality adjusted life-year.ResultsWe find low concordance between the two …